Home / 252,123.66-347,930.70-137,402.34

Finding the Fourth Proportional to 252,123.66, 347,930.70 and 137,402.34

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Solution

The fourth proportional to 252,123.66, 347,930.70 and 137,402.34 is: 189,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,123.66 : 347,930.70 = 137,402.34 : x
  2. Step 2: Convert to fraction form
    252,123.66/347,930.70 = 137,402.34/x
  3. Step 3: Cross multiply
    252,123.66x = 347,930.70 × 137,402.34
  4. Step 4: Simplify right side
    252,123.66x = 47,806,492,337.84
  5. Step 5: Solve for x
    x = 47,806,492,337.84/252,123.66
  6. Step 6: Final answer
    x = 189,615.26

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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.