Home / 181,691.52-272,570.16-75,075.60

Finding the Fourth Proportional to 181,691.52, 272,570.16 and 75,075.60

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Solution

The fourth proportional to 181,691.52, 272,570.16 and 75,075.60 is: 112,626.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,691.52 : 272,570.16 = 75,075.60 : x
  2. Step 2: Convert to fraction form
    181,691.52/272,570.16 = 75,075.60/x
  3. Step 3: Cross multiply
    181,691.52x = 272,570.16 × 75,075.60
  4. Step 4: Simplify right side
    181,691.52x = 20,463,368,304.10
  5. Step 5: Solve for x
    x = 20,463,368,304.10/181,691.52
  6. Step 6: Final answer
    x = 112,626.99

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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.