Home / 252,818.12-348,886.64-138,096.74

Finding the Fourth Proportional to 252,818.12, 348,886.64 and 138,096.74

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Solution

The fourth proportional to 252,818.12, 348,886.64 and 138,096.74 is: 190,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,818.12 : 348,886.64 = 138,096.74 : x
  2. Step 2: Convert to fraction form
    252,818.12/348,886.64 = 138,096.74/x
  3. Step 3: Cross multiply
    252,818.12x = 348,886.64 × 138,096.74
  4. Step 4: Simplify right side
    252,818.12x = 48,180,107,613.55
  5. Step 5: Solve for x
    x = 48,180,107,613.55/252,818.12
  6. Step 6: Final answer
    x = 190,572.21

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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.