Home / 178,106.65-267,126.56-89,336.32

Finding the Fourth Proportional to 178,106.65, 267,126.56 and 89,336.32

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Solution

The fourth proportional to 178,106.65, 267,126.56 and 89,336.32 is: 133,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,106.65 : 267,126.56 = 89,336.32 : x
  2. Step 2: Convert to fraction form
    178,106.65/267,126.56 = 89,336.32/x
  3. Step 3: Cross multiply
    178,106.65x = 267,126.56 × 89,336.32
  4. Step 4: Simplify right side
    178,106.65x = 23,864,103,065.17
  5. Step 5: Solve for x
    x = 23,864,103,065.17/178,106.65
  6. Step 6: Final answer
    x = 133,987.72

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1.5x scale

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.