Home / 252,103.17-347,886-138,925.92

Finding the Fourth Proportional to 252,103.17, 347,886 and 138,925.92

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Solution

The fourth proportional to 252,103.17, 347,886 and 138,925.92 is: 191,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,103.17 : 347,886 = 138,925.92 : x
  2. Step 2: Convert to fraction form
    252,103.17/347,886 = 138,925.92/x
  3. Step 3: Cross multiply
    252,103.17x = 347,886 × 138,925.92
  4. Step 4: Simplify right side
    252,103.17x = 48,330,382,605.12
  5. Step 5: Solve for x
    x = 48,330,382,605.12/252,103.17
  6. Step 6: Final answer
    x = 191,708.75

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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.