Home / 91,654.67-137,498.40-60,129.06

Finding the Fourth Proportional to 91,654.67, 137,498.40 and 60,129.06

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Solution

The fourth proportional to 91,654.67, 137,498.40 and 60,129.06 is: 90,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,654.67 : 137,498.40 = 60,129.06 : x
  2. Step 2: Convert to fraction form
    91,654.67/137,498.40 = 60,129.06/x
  3. Step 3: Cross multiply
    91,654.67x = 137,498.40 × 60,129.06
  4. Step 4: Simplify right side
    91,654.67x = 8,267,649,543.50
  5. Step 5: Solve for x
    x = 8,267,649,543.50/91,654.67
  6. Step 6: Final answer
    x = 90,204.35

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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.