Home / 140,851.28-211,359.95-52,167.06

Finding the Fourth Proportional to 140,851.28, 211,359.95 and 52,167.06

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Solution

The fourth proportional to 140,851.28, 211,359.95 and 52,167.06 is: 78,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,851.28 : 211,359.95 = 52,167.06 : x
  2. Step 2: Convert to fraction form
    140,851.28/211,359.95 = 52,167.06/x
  3. Step 3: Cross multiply
    140,851.28x = 211,359.95 × 52,167.06
  4. Step 4: Simplify right side
    140,851.28x = 11,026,027,193.25
  5. Step 5: Solve for x
    x = 11,026,027,193.25/140,851.28
  6. Step 6: Final answer
    x = 78,281.34

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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.