Home / 91,990.14-137,999.61-29,666.94

Finding the Fourth Proportional to 91,990.14, 137,999.61 and 29,666.94

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Solution

The fourth proportional to 91,990.14, 137,999.61 and 29,666.94 is: 44,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,990.14 : 137,999.61 = 29,666.94 : x
  2. Step 2: Convert to fraction form
    91,990.14/137,999.61 = 29,666.94/x
  3. Step 3: Cross multiply
    91,990.14x = 137,999.61 × 29,666.94
  4. Step 4: Simplify right side
    91,990.14x = 4,094,026,149.89
  5. Step 5: Solve for x
    x = 4,094,026,149.89/91,990.14
  6. Step 6: Final answer
    x = 44,505.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.