Home / 102,764.08-141,816.18-57,442.96

Finding the Fourth Proportional to 102,764.08, 141,816.18 and 57,442.96

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Solution

The fourth proportional to 102,764.08, 141,816.18 and 57,442.96 is: 79,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764.08 : 141,816.18 = 57,442.96 : x
  2. Step 2: Convert to fraction form
    102,764.08/141,816.18 = 57,442.96/x
  3. Step 3: Cross multiply
    102,764.08x = 141,816.18 × 57,442.96
  4. Step 4: Simplify right side
    102,764.08x = 8,146,341,155.09
  5. Step 5: Solve for x
    x = 8,146,341,155.09/102,764.08
  6. Step 6: Final answer
    x = 79,272.26

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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.