Home / 150,001.20-207,000.72-82,933.20

Finding the Fourth Proportional to 150,001.20, 207,000.72 and 82,933.20

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Solution

The fourth proportional to 150,001.20, 207,000.72 and 82,933.20 is: 114,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.20 : 207,000.72 = 82,933.20 : x
  2. Step 2: Convert to fraction form
    150,001.20/207,000.72 = 82,933.20/x
  3. Step 3: Cross multiply
    150,001.20x = 207,000.72 × 82,933.20
  4. Step 4: Simplify right side
    150,001.20x = 17,167,232,111.90
  5. Step 5: Solve for x
    x = 17,167,232,111.90/150,001.20
  6. Step 6: Final answer
    x = 114,447.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.