Home / 112,237.71-154,891.30-61,253.72

Finding the Fourth Proportional to 112,237.71, 154,891.30 and 61,253.72

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Solution

The fourth proportional to 112,237.71, 154,891.30 and 61,253.72 is: 84,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,237.71 : 154,891.30 = 61,253.72 : x
  2. Step 2: Convert to fraction form
    112,237.71/154,891.30 = 61,253.72/x
  3. Step 3: Cross multiply
    112,237.71x = 154,891.30 × 61,253.72
  4. Step 4: Simplify right side
    112,237.71x = 9,487,667,421.76
  5. Step 5: Solve for x
    x = 9,487,667,421.76/112,237.71
  6. Step 6: Final answer
    x = 84,531.91

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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.