Home / 212,543.54-318,465.38-148,508.18

Finding the Fourth Proportional to 212,543.54, 318,465.38 and 148,508.18

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Solution

The fourth proportional to 212,543.54, 318,465.38 and 148,508.18 is: 222,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,543.54 : 318,465.38 = 148,508.18 : x
  2. Step 2: Convert to fraction form
    212,543.54/318,465.38 = 148,508.18/x
  3. Step 3: Cross multiply
    212,543.54x = 318,465.38 × 148,508.18
  4. Step 4: Simplify right side
    212,543.54x = 47,294,712,755.75
  5. Step 5: Solve for x
    x = 47,294,712,755.75/212,543.54
  6. Step 6: Final answer
    x = 222,517.77

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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.