Home / 236,491.49-326,365.17-129,068.42

Finding the Fourth Proportional to 236,491.49, 326,365.17 and 129,068.42

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Solution

The fourth proportional to 236,491.49, 326,365.17 and 129,068.42 is: 178,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,491.49 : 326,365.17 = 129,068.42 : x
  2. Step 2: Convert to fraction form
    236,491.49/326,365.17 = 129,068.42/x
  3. Step 3: Cross multiply
    236,491.49x = 326,365.17 × 129,068.42
  4. Step 4: Simplify right side
    236,491.49x = 42,123,436,834.93
  5. Step 5: Solve for x
    x = 42,123,436,834.93/236,491.49
  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.