Home / 252,150.24-347,966.28-138,972.96

Finding the Fourth Proportional to 252,150.24, 347,966.28 and 138,972.96

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Solution

The fourth proportional to 252,150.24, 347,966.28 and 138,972.96 is: 191,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,150.24 : 347,966.28 = 138,972.96 : x
  2. Step 2: Convert to fraction form
    252,150.24/347,966.28 = 138,972.96/x
  3. Step 3: Cross multiply
    252,150.24x = 347,966.28 × 138,972.96
  4. Step 4: Simplify right side
    252,150.24x = 48,357,903,911.79
  5. Step 5: Solve for x
    x = 48,357,903,911.79/252,150.24
  6. Step 6: Final answer
    x = 191,782.11

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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.