Home / 236,760.06-326,723.45-129,330.57

Finding the Fourth Proportional to 236,760.06, 326,723.45 and 129,330.57

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Solution

The fourth proportional to 236,760.06, 326,723.45 and 129,330.57 is: 178,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,760.06 : 326,723.45 = 129,330.57 : x
  2. Step 2: Convert to fraction form
    236,760.06/326,723.45 = 129,330.57/x
  3. Step 3: Cross multiply
    236,760.06x = 326,723.45 × 129,330.57
  4. Step 4: Simplify right side
    236,760.06x = 42,255,329,374.21
  5. Step 5: Solve for x
    x = 42,255,329,374.21/236,760.06
  6. Step 6: Final answer
    x = 178,473.22

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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.