Home / 124,812.54-172,240.56-68,224.32

Finding the Fourth Proportional to 124,812.54, 172,240.56 and 68,224.32

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Solution

The fourth proportional to 124,812.54, 172,240.56 and 68,224.32 is: 94,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,812.54 : 172,240.56 = 68,224.32 : x
  2. Step 2: Convert to fraction form
    124,812.54/172,240.56 = 68,224.32/x
  3. Step 3: Cross multiply
    124,812.54x = 172,240.56 × 68,224.32
  4. Step 4: Simplify right side
    124,812.54x = 11,750,995,082.42
  5. Step 5: Solve for x
    x = 11,750,995,082.42/124,812.54
  6. Step 6: Final answer
    x = 94,149.15

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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.