Home / 102,779.66-141,828.10-62,487.83

Finding the Fourth Proportional to 102,779.66, 141,828.10 and 62,487.83

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Solution

The fourth proportional to 102,779.66, 141,828.10 and 62,487.83 is: 86,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779.66 : 141,828.10 = 62,487.83 : x
  2. Step 2: Convert to fraction form
    102,779.66/141,828.10 = 62,487.83/x
  3. Step 3: Cross multiply
    102,779.66x = 141,828.10 × 62,487.83
  4. Step 4: Simplify right side
    102,779.66x = 8,862,530,400.37
  5. Step 5: Solve for x
    x = 8,862,530,400.37/102,779.66
  6. Step 6: Final answer
    x = 86,228.44

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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.