Home / 74,160.41-111,259.45-21,569.89

Finding the Fourth Proportional to 74,160.41, 111,259.45 and 21,569.89

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Solution

The fourth proportional to 74,160.41, 111,259.45 and 21,569.89 is: 32,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.41 : 111,259.45 = 21,569.89 : x
  2. Step 2: Convert to fraction form
    74,160.41/111,259.45 = 21,569.89/x
  3. Step 3: Cross multiply
    74,160.41x = 111,259.45 × 21,569.89
  4. Step 4: Simplify right side
    74,160.41x = 2,399,853,990.11
  5. Step 5: Solve for x
    x = 2,399,853,990.11/74,160.41
  6. Step 6: Final answer
    x = 32,360.31

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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.