Home / 252,883.13-349,002.84-138,179.20

Finding the Fourth Proportional to 252,883.13, 349,002.84 and 138,179.20

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Solution

The fourth proportional to 252,883.13, 349,002.84 and 138,179.20 is: 190,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,883.13 : 349,002.84 = 138,179.20 : x
  2. Step 2: Convert to fraction form
    252,883.13/349,002.84 = 138,179.20/x
  3. Step 3: Cross multiply
    252,883.13x = 349,002.84 × 138,179.20
  4. Step 4: Simplify right side
    252,883.13x = 48,224,931,483.91
  5. Step 5: Solve for x
    x = 48,224,931,483.91/252,883.13
  6. Step 6: Final answer
    x = 190,700.47

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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.