Home / 112,251.12-154,906.73-61,263.95

Finding the Fourth Proportional to 112,251.12, 154,906.73 and 61,263.95

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Solution

The fourth proportional to 112,251.12, 154,906.73 and 61,263.95 is: 84,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,251.12 : 154,906.73 = 61,263.95 : x
  2. Step 2: Convert to fraction form
    112,251.12/154,906.73 = 61,263.95/x
  3. Step 3: Cross multiply
    112,251.12x = 154,906.73 × 61,263.95
  4. Step 4: Simplify right side
    112,251.12x = 9,490,197,310.27
  5. Step 5: Solve for x
    x = 9,490,197,310.27/112,251.12
  6. Step 6: Final answer
    x = 84,544.35

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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.