Home / 120,702.65-181,053.97-64,372.10

Finding the Fourth Proportional to 120,702.65, 181,053.97 and 64,372.10

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Solution

The fourth proportional to 120,702.65, 181,053.97 and 64,372.10 is: 96,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,702.65 : 181,053.97 = 64,372.10 : x
  2. Step 2: Convert to fraction form
    120,702.65/181,053.97 = 64,372.10/x
  3. Step 3: Cross multiply
    120,702.65x = 181,053.97 × 64,372.10
  4. Step 4: Simplify right side
    120,702.65x = 11,654,823,196.04
  5. Step 5: Solve for x
    x = 11,654,823,196.04/120,702.65
  6. Step 6: Final answer
    x = 96,558.14

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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.