Home / 160,729.92-240,861.60-90,459.18

Finding the Fourth Proportional to 160,729.92, 240,861.60 and 90,459.18

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Solution

The fourth proportional to 160,729.92, 240,861.60 and 90,459.18 is: 135,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,729.92 : 240,861.60 = 90,459.18 : x
  2. Step 2: Convert to fraction form
    160,729.92/240,861.60 = 90,459.18/x
  3. Step 3: Cross multiply
    160,729.92x = 240,861.60 × 90,459.18
  4. Step 4: Simplify right side
    160,729.92x = 21,788,142,829.49
  5. Step 5: Solve for x
    x = 21,788,142,829.49/160,729.92
  6. Step 6: Final answer
    x = 135,557.48

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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.