Home / 108,293.38-162,330.99-45,148.45

Finding the Fourth Proportional to 108,293.38, 162,330.99 and 45,148.45

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Solution

The fourth proportional to 108,293.38, 162,330.99 and 45,148.45 is: 67,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,293.38 : 162,330.99 = 45,148.45 : x
  2. Step 2: Convert to fraction form
    108,293.38/162,330.99 = 45,148.45/x
  3. Step 3: Cross multiply
    108,293.38x = 162,330.99 × 45,148.45
  4. Step 4: Simplify right side
    108,293.38x = 7,328,992,585.47
  5. Step 5: Solve for x
    x = 7,328,992,585.47/108,293.38
  6. Step 6: Final answer
    x = 67,677.20

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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.