Home / 236,750.16-326,723.08-129,330.20

Finding the Fourth Proportional to 236,750.16, 326,723.08 and 129,330.20

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Solution

The fourth proportional to 236,750.16, 326,723.08 and 129,330.20 is: 178,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,750.16 : 326,723.08 = 129,330.20 : x
  2. Step 2: Convert to fraction form
    236,750.16/326,723.08 = 129,330.20/x
  3. Step 3: Cross multiply
    236,750.16x = 326,723.08 × 129,330.20
  4. Step 4: Simplify right side
    236,750.16x = 42,255,161,281.02
  5. Step 5: Solve for x
    x = 42,255,161,281.02/236,750.16
  6. Step 6: Final answer
    x = 178,479.97

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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.