Home / 155,136.30-232,704.45-101,992.20

Finding the Fourth Proportional to 155,136.30, 232,704.45 and 101,992.20

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Solution

The fourth proportional to 155,136.30, 232,704.45 and 101,992.20 is: 152,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,136.30 : 232,704.45 = 101,992.20 : x
  2. Step 2: Convert to fraction form
    155,136.30/232,704.45 = 101,992.20/x
  3. Step 3: Cross multiply
    155,136.30x = 232,704.45 × 101,992.20
  4. Step 4: Simplify right side
    155,136.30x = 23,734,038,805.29
  5. Step 5: Solve for x
    x = 23,734,038,805.29/155,136.30
  6. Step 6: Final answer
    x = 152,988.30

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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.