Home / 178,257.60-267,386.40-131,716.80

Finding the Fourth Proportional to 178,257.60, 267,386.40 and 131,716.80

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Solution

The fourth proportional to 178,257.60, 267,386.40 and 131,716.80 is: 197,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,257.60 : 267,386.40 = 131,716.80 : x
  2. Step 2: Convert to fraction form
    178,257.60/267,386.40 = 131,716.80/x
  3. Step 3: Cross multiply
    178,257.60x = 267,386.40 × 131,716.80
  4. Step 4: Simplify right side
    178,257.60x = 35,219,280,971.52
  5. Step 5: Solve for x
    x = 35,219,280,971.52/178,257.60
  6. Step 6: Final answer
    x = 197,575.20

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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.