Home / 236,697.42-326,640.24-129,267.12

Finding the Fourth Proportional to 236,697.42, 326,640.24 and 129,267.12

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Solution

The fourth proportional to 236,697.42, 326,640.24 and 129,267.12 is: 178,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,697.42 : 326,640.24 = 129,267.12 : x
  2. Step 2: Convert to fraction form
    236,697.42/326,640.24 = 129,267.12/x
  3. Step 3: Cross multiply
    236,697.42x = 326,640.24 × 129,267.12
  4. Step 4: Simplify right side
    236,697.42x = 42,223,843,100.91
  5. Step 5: Solve for x
    x = 42,223,843,100.91/236,697.42
  6. Step 6: Final answer
    x = 178,387.42

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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.