Home / 221,017.56-331,248.78-94,509.20

Finding the Fourth Proportional to 221,017.56, 331,248.78 and 94,509.20

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Solution

The fourth proportional to 221,017.56, 331,248.78 and 94,509.20 is: 141,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,017.56 : 331,248.78 = 94,509.20 : x
  2. Step 2: Convert to fraction form
    221,017.56/331,248.78 = 94,509.20/x
  3. Step 3: Cross multiply
    221,017.56x = 331,248.78 × 94,509.20
  4. Step 4: Simplify right side
    221,017.56x = 31,306,055,542.53
  5. Step 5: Solve for x
    x = 31,306,055,542.53/221,017.56
  6. Step 6: Final answer
    x = 141,645.11

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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.