Home / 107,440.12-148,276.19-69,279.11

Finding the Fourth Proportional to 107,440.12, 148,276.19 and 69,279.11

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Solution

The fourth proportional to 107,440.12, 148,276.19 and 69,279.11 is: 95,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,440.12 : 148,276.19 = 69,279.11 : x
  2. Step 2: Convert to fraction form
    107,440.12/148,276.19 = 69,279.11/x
  3. Step 3: Cross multiply
    107,440.12x = 148,276.19 × 69,279.11
  4. Step 4: Simplify right side
    107,440.12x = 10,272,442,477.39
  5. Step 5: Solve for x
    x = 10,272,442,477.39/107,440.12
  6. Step 6: Final answer
    x = 95,610.86

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1.5x scale

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.