Home / 115,154.13-172,731.20-44,984.24

Finding the Fourth Proportional to 115,154.13, 172,731.20 and 44,984.24

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Solution

The fourth proportional to 115,154.13, 172,731.20 and 44,984.24 is: 67,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,154.13 : 172,731.20 = 44,984.24 : x
  2. Step 2: Convert to fraction form
    115,154.13/172,731.20 = 44,984.24/x
  3. Step 3: Cross multiply
    115,154.13x = 172,731.20 × 44,984.24
  4. Step 4: Simplify right side
    115,154.13x = 7,770,181,756.29
  5. Step 5: Solve for x
    x = 7,770,181,756.29/115,154.13
  6. Step 6: Final answer
    x = 67,476.36

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1.5x scale

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.