Home / 178,431.56-267,562.59-103,574.65

Finding the Fourth Proportional to 178,431.56, 267,562.59 and 103,574.65

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Solution

The fourth proportional to 178,431.56, 267,562.59 and 103,574.65 is: 155,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,431.56 : 267,562.59 = 103,574.65 : x
  2. Step 2: Convert to fraction form
    178,431.56/267,562.59 = 103,574.65/x
  3. Step 3: Cross multiply
    178,431.56x = 267,562.59 × 103,574.65
  4. Step 4: Simplify right side
    178,431.56x = 27,712,701,639.32
  5. Step 5: Solve for x
    x = 27,712,701,639.32/178,431.56
  6. Step 6: Final answer
    x = 155,312.78

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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.