Home / 135,514.76-187,010.72-75,084.92

Finding the Fourth Proportional to 135,514.76, 187,010.72 and 75,084.92

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Solution

The fourth proportional to 135,514.76, 187,010.72 and 75,084.92 is: 103,617.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,514.76 : 187,010.72 = 75,084.92 : x
  2. Step 2: Convert to fraction form
    135,514.76/187,010.72 = 75,084.92/x
  3. Step 3: Cross multiply
    135,514.76x = 187,010.72 × 75,084.92
  4. Step 4: Simplify right side
    135,514.76x = 14,041,684,950.34
  5. Step 5: Solve for x
    x = 14,041,684,950.34/135,514.76
  6. Step 6: Final answer
    x = 103,617.38

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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.