Home / 112,879.60-155,774.06-62,578.60

Finding the Fourth Proportional to 112,879.60, 155,774.06 and 62,578.60

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Solution

The fourth proportional to 112,879.60, 155,774.06 and 62,578.60 is: 86,358.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,879.60 : 155,774.06 = 62,578.60 : x
  2. Step 2: Convert to fraction form
    112,879.60/155,774.06 = 62,578.60/x
  3. Step 3: Cross multiply
    112,879.60x = 155,774.06 × 62,578.60
  4. Step 4: Simplify right side
    112,879.60x = 9,748,122,591.12
  5. Step 5: Solve for x
    x = 9,748,122,591.12/112,879.60
  6. Step 6: Final answer
    x = 86,358.59

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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.