Home / 108,729.50-150,046.98-63,438.62

Finding the Fourth Proportional to 108,729.50, 150,046.98 and 63,438.62

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Solution

The fourth proportional to 108,729.50, 150,046.98 and 63,438.62 is: 87,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.50 : 150,046.98 = 63,438.62 : x
  2. Step 2: Convert to fraction form
    108,729.50/150,046.98 = 63,438.62/x
  3. Step 3: Cross multiply
    108,729.50x = 150,046.98 × 63,438.62
  4. Step 4: Simplify right side
    108,729.50x = 9,518,773,346.37
  5. Step 5: Solve for x
    x = 9,518,773,346.37/108,729.50
  6. Step 6: Final answer
    x = 87,545.45

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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.