Home / 132,423.48-182,748-71,998.19

Finding the Fourth Proportional to 132,423.48, 182,748 and 71,998.19

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Solution

The fourth proportional to 132,423.48, 182,748 and 71,998.19 is: 99,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,423.48 : 182,748 = 71,998.19 : x
  2. Step 2: Convert to fraction form
    132,423.48/182,748 = 71,998.19/x
  3. Step 3: Cross multiply
    132,423.48x = 182,748 × 71,998.19
  4. Step 4: Simplify right side
    132,423.48x = 13,157,524,312.38
  5. Step 5: Solve for x
    x = 13,157,524,312.38/132,423.48
  6. Step 6: Final answer
    x = 99,359.45

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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.