Home / 136,150.16-187,892.40-75,725.17

Finding the Fourth Proportional to 136,150.16, 187,892.40 and 75,725.17

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Solution

The fourth proportional to 136,150.16, 187,892.40 and 75,725.17 is: 104,503.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,150.16 : 187,892.40 = 75,725.17 : x
  2. Step 2: Convert to fraction form
    136,150.16/187,892.40 = 75,725.17/x
  3. Step 3: Cross multiply
    136,150.16x = 187,892.40 × 75,725.17
  4. Step 4: Simplify right side
    136,150.16x = 14,228,183,931.71
  5. Step 5: Solve for x
    x = 14,228,183,931.71/136,150.16
  6. Step 6: Final answer
    x = 104,503.62

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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.