Home / 112,278.76-154,949.25-61,294.93

Finding the Fourth Proportional to 112,278.76, 154,949.25 and 61,294.93

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Solution

The fourth proportional to 112,278.76, 154,949.25 and 61,294.93 is: 84,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,278.76 : 154,949.25 = 61,294.93 : x
  2. Step 2: Convert to fraction form
    112,278.76/154,949.25 = 61,294.93/x
  3. Step 3: Cross multiply
    112,278.76x = 154,949.25 × 61,294.93
  4. Step 4: Simplify right side
    112,278.76x = 9,497,603,274.79
  5. Step 5: Solve for x
    x = 9,497,603,274.79/112,278.76
  6. Step 6: Final answer
    x = 84,589.49

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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.