Home / 132,920.04-183,428.34-76,331.82

Finding the Fourth Proportional to 132,920.04, 183,428.34 and 76,331.82

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Solution

The fourth proportional to 132,920.04, 183,428.34 and 76,331.82 is: 105,337.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,920.04 : 183,428.34 = 76,331.82 : x
  2. Step 2: Convert to fraction form
    132,920.04/183,428.34 = 76,331.82/x
  3. Step 3: Cross multiply
    132,920.04x = 183,428.34 × 76,331.82
  4. Step 4: Simplify right side
    132,920.04x = 14,001,419,031.78
  5. Step 5: Solve for x
    x = 14,001,419,031.78/132,920.04
  6. Step 6: Final answer
    x = 105,337.16

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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.