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Finding the Fourth Proportional to 135,370.88, 186,817.92 and 75,754.88

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Solution

The fourth proportional to 135,370.88, 186,817.92 and 75,754.88 is: 104,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,370.88 : 186,817.92 = 75,754.88 : x
  2. Step 2: Convert to fraction form
    135,370.88/186,817.92 = 75,754.88/x
  3. Step 3: Cross multiply
    135,370.88x = 186,817.92 × 75,754.88
  4. Step 4: Simplify right side
    135,370.88x = 14,152,369,111.45
  5. Step 5: Solve for x
    x = 14,152,369,111.45/135,370.88
  6. Step 6: Final answer
    x = 104,545.15

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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.