Home / 180,515.28-270,766.20-47,394.32

Finding the Fourth Proportional to 180,515.28, 270,766.20 and 47,394.32

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Solution

The fourth proportional to 180,515.28, 270,766.20 and 47,394.32 is: 71,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,515.28 : 270,766.20 = 47,394.32 : x
  2. Step 2: Convert to fraction form
    180,515.28/270,766.20 = 47,394.32/x
  3. Step 3: Cross multiply
    180,515.28x = 270,766.20 × 47,394.32
  4. Step 4: Simplify right side
    180,515.28x = 12,832,779,927.98
  5. Step 5: Solve for x
    x = 12,832,779,927.98/180,515.28
  6. Step 6: Final answer
    x = 71,089.72

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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.