Home / 122,320.50-183,507.12-38,078.88

Finding the Fourth Proportional to 122,320.50, 183,507.12 and 38,078.88

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Solution

The fourth proportional to 122,320.50, 183,507.12 and 38,078.88 is: 57,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,320.50 : 183,507.12 = 38,078.88 : x
  2. Step 2: Convert to fraction form
    122,320.50/183,507.12 = 38,078.88/x
  3. Step 3: Cross multiply
    122,320.50x = 183,507.12 × 38,078.88
  4. Step 4: Simplify right side
    122,320.50x = 6,987,745,601.63
  5. Step 5: Solve for x
    x = 6,987,745,601.63/122,320.50
  6. Step 6: Final answer
    x = 57,126.53

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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.