Home / 252,118.30-347,918.61-137,397.87

Finding the Fourth Proportional to 252,118.30, 347,918.61 and 137,397.87

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Solution

The fourth proportional to 252,118.30, 347,918.61 and 137,397.87 is: 189,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,118.30 : 347,918.61 = 137,397.87 : x
  2. Step 2: Convert to fraction form
    252,118.30/347,918.61 = 137,397.87/x
  3. Step 3: Cross multiply
    252,118.30x = 347,918.61 × 137,397.87
  4. Step 4: Simplify right side
    252,118.30x = 47,803,274,207.77
  5. Step 5: Solve for x
    x = 47,803,274,207.77/252,118.30
  6. Step 6: Final answer
    x = 189,606.52

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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.