Home / 172,562.46-258,493.77-89,281.50

Finding the Fourth Proportional to 172,562.46, 258,493.77 and 89,281.50

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Solution

The fourth proportional to 172,562.46, 258,493.77 and 89,281.50 is: 133,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,562.46 : 258,493.77 = 89,281.50 : x
  2. Step 2: Convert to fraction form
    172,562.46/258,493.77 = 89,281.50/x
  3. Step 3: Cross multiply
    172,562.46x = 258,493.77 × 89,281.50
  4. Step 4: Simplify right side
    172,562.46x = 23,078,711,526.26
  5. Step 5: Solve for x
    x = 23,078,711,526.26/172,562.46
  6. Step 6: Final answer
    x = 133,741.21

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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.