Home / 252,119.82-347,925.40-137,398.49

Finding the Fourth Proportional to 252,119.82, 347,925.40 and 137,398.49

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Solution

The fourth proportional to 252,119.82, 347,925.40 and 137,398.49 is: 189,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,119.82 : 347,925.40 = 137,398.49 : x
  2. Step 2: Convert to fraction form
    252,119.82/347,925.40 = 137,398.49/x
  3. Step 3: Cross multiply
    252,119.82x = 347,925.40 × 137,398.49
  4. Step 4: Simplify right side
    252,119.82x = 47,804,423,222.14
  5. Step 5: Solve for x
    x = 47,804,423,222.14/252,119.82
  6. Step 6: Final answer
    x = 189,609.94

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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.