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Finding the Fourth Proportional to 161,407.92, 241,403.76 and 143,762.88

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Solution

The fourth proportional to 161,407.92, 241,403.76 and 143,762.88 is: 215,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,407.92 : 241,403.76 = 143,762.88 : x
  2. Step 2: Convert to fraction form
    161,407.92/241,403.76 = 143,762.88/x
  3. Step 3: Cross multiply
    161,407.92x = 241,403.76 × 143,762.88
  4. Step 4: Simplify right side
    161,407.92x = 34,704,899,780.43
  5. Step 5: Solve for x
    x = 34,704,899,780.43/161,407.92
  6. Step 6: Final answer
    x = 215,013.61

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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.