Home / 122,598.28-169,136.60-77,264.20

Finding the Fourth Proportional to 122,598.28, 169,136.60 and 77,264.20

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Solution

The fourth proportional to 122,598.28, 169,136.60 and 77,264.20 is: 106,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,598.28 : 169,136.60 = 77,264.20 : x
  2. Step 2: Convert to fraction form
    122,598.28/169,136.60 = 77,264.20/x
  3. Step 3: Cross multiply
    122,598.28x = 169,136.60 × 77,264.20
  4. Step 4: Simplify right side
    122,598.28x = 13,068,204,089.72
  5. Step 5: Solve for x
    x = 13,068,204,089.72/122,598.28
  6. Step 6: Final answer
    x = 106,593.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.