Home / 112,036.97-154,611.03-61,049.70

Finding the Fourth Proportional to 112,036.97, 154,611.03 and 61,049.70

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Solution

The fourth proportional to 112,036.97, 154,611.03 and 61,049.70 is: 84,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.97 : 154,611.03 = 61,049.70 : x
  2. Step 2: Convert to fraction form
    112,036.97/154,611.03 = 61,049.70/x
  3. Step 3: Cross multiply
    112,036.97x = 154,611.03 × 61,049.70
  4. Step 4: Simplify right side
    112,036.97x = 9,438,957,384.72
  5. Step 5: Solve for x
    x = 9,438,957,384.72/112,036.97
  6. Step 6: Final answer
    x = 84,248.60

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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.