Home / 102,025.58-140,773.55-61,731.32

Finding the Fourth Proportional to 102,025.58, 140,773.55 and 61,731.32

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Solution

The fourth proportional to 102,025.58, 140,773.55 and 61,731.32 is: 85,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,025.58 : 140,773.55 = 61,731.32 : x
  2. Step 2: Convert to fraction form
    102,025.58/140,773.55 = 61,731.32/x
  3. Step 3: Cross multiply
    102,025.58x = 140,773.55 × 61,731.32
  4. Step 4: Simplify right side
    102,025.58x = 8,690,136,050.06
  5. Step 5: Solve for x
    x = 8,690,136,050.06/102,025.58
  6. Step 6: Final answer
    x = 85,176.06

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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.