Home / 155,760.29-234,128.14-102,792.64

Finding the Fourth Proportional to 155,760.29, 234,128.14 and 102,792.64

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Solution

The fourth proportional to 155,760.29, 234,128.14 and 102,792.64 is: 154,510.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,760.29 : 234,128.14 = 102,792.64 : x
  2. Step 2: Convert to fraction form
    155,760.29/234,128.14 = 102,792.64/x
  3. Step 3: Cross multiply
    155,760.29x = 234,128.14 × 102,792.64
  4. Step 4: Simplify right side
    155,760.29x = 24,066,649,972.91
  5. Step 5: Solve for x
    x = 24,066,649,972.91/155,760.29
  6. Step 6: Final answer
    x = 154,510.82

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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.