Home / 252,711.91-348,756.64-138,001.22

Finding the Fourth Proportional to 252,711.91, 348,756.64 and 138,001.22

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Solution

The fourth proportional to 252,711.91, 348,756.64 and 138,001.22 is: 190,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,711.91 : 348,756.64 = 138,001.22 : x
  2. Step 2: Convert to fraction form
    252,711.91/348,756.64 = 138,001.22/x
  3. Step 3: Cross multiply
    252,711.91x = 348,756.64 × 138,001.22
  4. Step 4: Simplify right side
    252,711.91x = 48,128,840,059.32
  5. Step 5: Solve for x
    x = 48,128,840,059.32/252,711.91
  6. Step 6: Final answer
    x = 190,449.43

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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.