Home / 112,748.25-155,585.94-61,750.83

Finding the Fourth Proportional to 112,748.25, 155,585.94 and 61,750.83

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Solution

The fourth proportional to 112,748.25, 155,585.94 and 61,750.83 is: 85,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.25 : 155,585.94 = 61,750.83 : x
  2. Step 2: Convert to fraction form
    112,748.25/155,585.94 = 61,750.83/x
  3. Step 3: Cross multiply
    112,748.25x = 155,585.94 × 61,750.83
  4. Step 4: Simplify right side
    112,748.25x = 9,607,560,871.17
  5. Step 5: Solve for x
    x = 9,607,560,871.17/112,748.25
  6. Step 6: Final answer
    x = 85,212.50

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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.