Home / 136,089.28-187,792.54-75,656.25

Finding the Fourth Proportional to 136,089.28, 187,792.54 and 75,656.25

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Solution

The fourth proportional to 136,089.28, 187,792.54 and 75,656.25 is: 104,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,089.28 : 187,792.54 = 75,656.25 : x
  2. Step 2: Convert to fraction form
    136,089.28/187,792.54 = 75,656.25/x
  3. Step 3: Cross multiply
    136,089.28x = 187,792.54 × 75,656.25
  4. Step 4: Simplify right side
    136,089.28x = 14,207,679,354.38
  5. Step 5: Solve for x
    x = 14,207,679,354.38/136,089.28
  6. Step 6: Final answer
    x = 104,399.70

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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.