Home / 252,001.90-378,002.85-126,030.70

Finding the Fourth Proportional to 252,001.90, 378,002.85 and 126,030.70

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Solution

The fourth proportional to 252,001.90, 378,002.85 and 126,030.70 is: 189,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,001.90 : 378,002.85 = 126,030.70 : x
  2. Step 2: Convert to fraction form
    252,001.90/378,002.85 = 126,030.70/x
  3. Step 3: Cross multiply
    252,001.90x = 378,002.85 × 126,030.70
  4. Step 4: Simplify right side
    252,001.90x = 47,639,963,787.50
  5. Step 5: Solve for x
    x = 47,639,963,787.50/252,001.90
  6. Step 6: Final answer
    x = 189,046.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.