Home / 236,864.76-326,872.98-129,434.82

Finding the Fourth Proportional to 236,864.76, 326,872.98 and 129,434.82

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Solution

The fourth proportional to 236,864.76, 326,872.98 and 129,434.82 is: 178,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,864.76 : 326,872.98 = 129,434.82 : x
  2. Step 2: Convert to fraction form
    236,864.76/326,872.98 = 129,434.82/x
  3. Step 3: Cross multiply
    236,864.76x = 326,872.98 × 129,434.82
  4. Step 4: Simplify right side
    236,864.76x = 42,308,745,329.16
  5. Step 5: Solve for x
    x = 42,308,745,329.16/236,864.76
  6. Step 6: Final answer
    x = 178,619.84

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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.