Home / 161,764.10-242,646.15-82,852.10

Finding the Fourth Proportional to 161,764.10, 242,646.15 and 82,852.10

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Solution

The fourth proportional to 161,764.10, 242,646.15 and 82,852.10 is: 124,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764.10 : 242,646.15 = 82,852.10 : x
  2. Step 2: Convert to fraction form
    161,764.10/242,646.15 = 82,852.10/x
  3. Step 3: Cross multiply
    161,764.10x = 242,646.15 × 82,852.10
  4. Step 4: Simplify right side
    161,764.10x = 20,103,743,084.42
  5. Step 5: Solve for x
    x = 20,103,743,084.42/161,764.10
  6. Step 6: Final answer
    x = 124,278.15

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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.