Home / 238,053.40-328,502.68-130,620.76

Finding the Fourth Proportional to 238,053.40, 328,502.68 and 130,620.76

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Solution

The fourth proportional to 238,053.40, 328,502.68 and 130,620.76 is: 180,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,053.40 : 328,502.68 = 130,620.76 : x
  2. Step 2: Convert to fraction form
    238,053.40/328,502.68 = 130,620.76/x
  3. Step 3: Cross multiply
    238,053.40x = 328,502.68 × 130,620.76
  4. Step 4: Simplify right side
    238,053.40x = 42,909,269,723.64
  5. Step 5: Solve for x
    x = 42,909,269,723.64/238,053.40
  6. Step 6: Final answer
    x = 180,250.61

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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.