Home / 90,925.30-136,382.46-40,985.14

Finding the Fourth Proportional to 90,925.30, 136,382.46 and 40,985.14

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Solution

The fourth proportional to 90,925.30, 136,382.46 and 40,985.14 is: 61,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,925.30 : 136,382.46 = 40,985.14 : x
  2. Step 2: Convert to fraction form
    90,925.30/136,382.46 = 40,985.14/x
  3. Step 3: Cross multiply
    90,925.30x = 136,382.46 × 40,985.14
  4. Step 4: Simplify right side
    90,925.30x = 5,589,654,216.64
  5. Step 5: Solve for x
    x = 5,589,654,216.64/90,925.30
  6. Step 6: Final answer
    x = 61,475.24

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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.