Home / 115,154.91-172,693.79-44,061.01

Finding the Fourth Proportional to 115,154.91, 172,693.79 and 44,061.01

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Solution

The fourth proportional to 115,154.91, 172,693.79 and 44,061.01 is: 66,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,154.91 : 172,693.79 = 44,061.01 : x
  2. Step 2: Convert to fraction form
    115,154.91/172,693.79 = 44,061.01/x
  3. Step 3: Cross multiply
    115,154.91x = 172,693.79 × 44,061.01
  4. Step 4: Simplify right side
    115,154.91x = 7,609,062,156.09
  5. Step 5: Solve for x
    x = 7,609,062,156.09/115,154.91
  6. Step 6: Final answer
    x = 66,076.75

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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.