Home / 215,928.28-297,981.48-120,432.52

Finding the Fourth Proportional to 215,928.28, 297,981.48 and 120,432.52

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Solution

The fourth proportional to 215,928.28, 297,981.48 and 120,432.52 is: 166,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,928.28 : 297,981.48 = 120,432.52 : x
  2. Step 2: Convert to fraction form
    215,928.28/297,981.48 = 120,432.52/x
  3. Step 3: Cross multiply
    215,928.28x = 297,981.48 × 120,432.52
  4. Step 4: Simplify right side
    215,928.28x = 35,886,660,549.73
  5. Step 5: Solve for x
    x = 35,886,660,549.73/215,928.28
  6. Step 6: Final answer
    x = 166,197.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.