Home / 122,384.40-183,631.62-66,158.64

Finding the Fourth Proportional to 122,384.40, 183,631.62 and 66,158.64

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Solution

The fourth proportional to 122,384.40, 183,631.62 and 66,158.64 is: 99,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,384.40 : 183,631.62 = 66,158.64 : x
  2. Step 2: Convert to fraction form
    122,384.40/183,631.62 = 66,158.64/x
  3. Step 3: Cross multiply
    122,384.40x = 183,631.62 × 66,158.64
  4. Step 4: Simplify right side
    122,384.40x = 12,148,818,240.20
  5. Step 5: Solve for x
    x = 12,148,818,240.20/122,384.40
  6. Step 6: Final answer
    x = 99,267.70

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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.