Home / 122,660.46-183,990.67-38,421.32

Finding the Fourth Proportional to 122,660.46, 183,990.67 and 38,421.32

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Solution

The fourth proportional to 122,660.46, 183,990.67 and 38,421.32 is: 57,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,660.46 : 183,990.67 = 38,421.32 : x
  2. Step 2: Convert to fraction form
    122,660.46/183,990.67 = 38,421.32/x
  3. Step 3: Cross multiply
    122,660.46x = 183,990.67 × 38,421.32
  4. Step 4: Simplify right side
    122,660.46x = 7,069,163,393.08
  5. Step 5: Solve for x
    x = 7,069,163,393.08/122,660.46
  6. Step 6: Final answer
    x = 57,631.97

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.