Home / 85,327.52-127,949.14-26,148.92

Finding the Fourth Proportional to 85,327.52, 127,949.14 and 26,148.92

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Solution

The fourth proportional to 85,327.52, 127,949.14 and 26,148.92 is: 39,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.52 : 127,949.14 = 26,148.92 : x
  2. Step 2: Convert to fraction form
    85,327.52/127,949.14 = 26,148.92/x
  3. Step 3: Cross multiply
    85,327.52x = 127,949.14 × 26,148.92
  4. Step 4: Simplify right side
    85,327.52x = 3,345,731,825.93
  5. Step 5: Solve for x
    x = 3,345,731,825.93/85,327.52
  6. Step 6: Final answer
    x = 39,210.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.