Home / 88,036.76-131,759.90-72,241.16

Finding the Fourth Proportional to 88,036.76, 131,759.90 and 72,241.16

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Solution

The fourth proportional to 88,036.76, 131,759.90 and 72,241.16 is: 108,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,036.76 : 131,759.90 = 72,241.16 : x
  2. Step 2: Convert to fraction form
    88,036.76/131,759.90 = 72,241.16/x
  3. Step 3: Cross multiply
    88,036.76x = 131,759.90 × 72,241.16
  4. Step 4: Simplify right side
    88,036.76x = 9,518,487,539.29
  5. Step 5: Solve for x
    x = 9,518,487,539.29/88,036.76
  6. Step 6: Final answer
    x = 108,119.46

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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.