Home / 135,677.64-187,236.20-75,244.92

Finding the Fourth Proportional to 135,677.64, 187,236.20 and 75,244.92

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Solution

The fourth proportional to 135,677.64, 187,236.20 and 75,244.92 is: 103,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,677.64 : 187,236.20 = 75,244.92 : x
  2. Step 2: Convert to fraction form
    135,677.64/187,236.20 = 75,244.92/x
  3. Step 3: Cross multiply
    135,677.64x = 187,236.20 × 75,244.92
  4. Step 4: Simplify right side
    135,677.64x = 14,088,572,890.10
  5. Step 5: Solve for x
    x = 14,088,572,890.10/135,677.64
  6. Step 6: Final answer
    x = 103,838.58

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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.