Home / 221,017.95-331,249.57-94,509.38

Finding the Fourth Proportional to 221,017.95, 331,249.57 and 94,509.38

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Solution

The fourth proportional to 221,017.95, 331,249.57 and 94,509.38 is: 141,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,017.95 : 331,249.57 = 94,509.38 : x
  2. Step 2: Convert to fraction form
    221,017.95/331,249.57 = 94,509.38/x
  3. Step 3: Cross multiply
    221,017.95x = 331,249.57 × 94,509.38
  4. Step 4: Simplify right side
    221,017.95x = 31,306,192,077.82
  5. Step 5: Solve for x
    x = 31,306,192,077.82/221,017.95
  6. Step 6: Final answer
    x = 141,645.47

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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.