Home / 154,001.32-231,075.80-75,072.52

Finding the Fourth Proportional to 154,001.32, 231,075.80 and 75,072.52

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Solution

The fourth proportional to 154,001.32, 231,075.80 and 75,072.52 is: 112,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,001.32 : 231,075.80 = 75,072.52 : x
  2. Step 2: Convert to fraction form
    154,001.32/231,075.80 = 75,072.52/x
  3. Step 3: Cross multiply
    154,001.32x = 231,075.80 × 75,072.52
  4. Step 4: Simplify right side
    154,001.32x = 17,347,442,617.02
  5. Step 5: Solve for x
    x = 17,347,442,617.02/154,001.32
  6. Step 6: Final answer
    x = 112,644.77

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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.