Home / 112,458.84-155,203.08-62,167.56

Finding the Fourth Proportional to 112,458.84, 155,203.08 and 62,167.56

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Solution

The fourth proportional to 112,458.84, 155,203.08 and 62,167.56 is: 85,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.84 : 155,203.08 = 62,167.56 : x
  2. Step 2: Convert to fraction form
    112,458.84/155,203.08 = 62,167.56/x
  3. Step 3: Cross multiply
    112,458.84x = 155,203.08 × 62,167.56
  4. Step 4: Simplify right side
    112,458.84x = 9,648,596,788.08
  5. Step 5: Solve for x
    x = 9,648,596,788.08/112,458.84
  6. Step 6: Final answer
    x = 85,796.69

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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.