Home / 236,491.52-326,365.20-129,068.42

Finding the Fourth Proportional to 236,491.52, 326,365.20 and 129,068.42

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Solution

The fourth proportional to 236,491.52, 326,365.20 and 129,068.42 is: 178,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,491.52 : 326,365.20 = 129,068.42 : x
  2. Step 2: Convert to fraction form
    236,491.52/326,365.20 = 129,068.42/x
  3. Step 3: Cross multiply
    236,491.52x = 326,365.20 × 129,068.42
  4. Step 4: Simplify right side
    236,491.52x = 42,123,440,706.98
  5. Step 5: Solve for x
    x = 42,123,440,706.98/236,491.52
  6. Step 6: Final answer
    x = 178,118.19

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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.