Home / 160,566.18-240,998.72-81,739.41

Finding the Fourth Proportional to 160,566.18, 240,998.72 and 81,739.41

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Solution

The fourth proportional to 160,566.18, 240,998.72 and 81,739.41 is: 122,685.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,566.18 : 240,998.72 = 81,739.41 : x
  2. Step 2: Convert to fraction form
    160,566.18/240,998.72 = 81,739.41/x
  3. Step 3: Cross multiply
    160,566.18x = 240,998.72 × 81,739.41
  4. Step 4: Simplify right side
    160,566.18x = 19,699,092,774.86
  5. Step 5: Solve for x
    x = 19,699,092,774.86/160,566.18
  6. Step 6: Final answer
    x = 122,685.19

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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.