Home / 132,885.91-183,379.17-72,456.67

Finding the Fourth Proportional to 132,885.91, 183,379.17 and 72,456.67

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Solution

The fourth proportional to 132,885.91, 183,379.17 and 72,456.67 is: 99,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,885.91 : 183,379.17 = 72,456.67 : x
  2. Step 2: Convert to fraction form
    132,885.91/183,379.17 = 72,456.67/x
  3. Step 3: Cross multiply
    132,885.91x = 183,379.17 × 72,456.67
  4. Step 4: Simplify right side
    132,885.91x = 13,287,044,005.56
  5. Step 5: Solve for x
    x = 13,287,044,005.56/132,885.91
  6. Step 6: Final answer
    x = 99,988.36

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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.