Home / 112,239.57-154,891.50-61,252.71

Finding the Fourth Proportional to 112,239.57, 154,891.50 and 61,252.71

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Solution

The fourth proportional to 112,239.57, 154,891.50 and 61,252.71 is: 84,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,239.57 : 154,891.50 = 61,252.71 : x
  2. Step 2: Convert to fraction form
    112,239.57/154,891.50 = 61,252.71/x
  3. Step 3: Cross multiply
    112,239.57x = 154,891.50 × 61,252.71
  4. Step 4: Simplify right side
    112,239.57x = 9,487,524,130.97
  5. Step 5: Solve for x
    x = 9,487,524,130.97/112,239.57
  6. Step 6: Final answer
    x = 84,529.23

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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.