Home / 178,139.40-267,209.10-53,464.20

Finding the Fourth Proportional to 178,139.40, 267,209.10 and 53,464.20

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Solution

The fourth proportional to 178,139.40, 267,209.10 and 53,464.20 is: 80,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,139.40 : 267,209.10 = 53,464.20 : x
  2. Step 2: Convert to fraction form
    178,139.40/267,209.10 = 53,464.20/x
  3. Step 3: Cross multiply
    178,139.40x = 267,209.10 × 53,464.20
  4. Step 4: Simplify right side
    178,139.40x = 14,286,120,764.22
  5. Step 5: Solve for x
    x = 14,286,120,764.22/178,139.40
  6. Step 6: Final answer
    x = 80,196.30

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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.