Home / 178,441.91-267,578.10-103,585.01

Finding the Fourth Proportional to 178,441.91, 267,578.10 and 103,585.01

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Solution

The fourth proportional to 178,441.91, 267,578.10 and 103,585.01 is: 155,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,441.91 : 267,578.10 = 103,585.01 : x
  2. Step 2: Convert to fraction form
    178,441.91/267,578.10 = 103,585.01/x
  3. Step 3: Cross multiply
    178,441.91x = 267,578.10 × 103,585.01
  4. Step 4: Simplify right side
    178,441.91x = 27,717,080,164.28
  5. Step 5: Solve for x
    x = 27,717,080,164.28/178,441.91
  6. Step 6: Final answer
    x = 155,328.31

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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.