Home / 112,487.60-155,228.12-61,499.44

Finding the Fourth Proportional to 112,487.60, 155,228.12 and 61,499.44

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Solution

The fourth proportional to 112,487.60, 155,228.12 and 61,499.44 is: 84,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,487.60 : 155,228.12 = 61,499.44 : x
  2. Step 2: Convert to fraction form
    112,487.60/155,228.12 = 61,499.44/x
  3. Step 3: Cross multiply
    112,487.60x = 155,228.12 × 61,499.44
  4. Step 4: Simplify right side
    112,487.60x = 9,546,442,452.25
  5. Step 5: Solve for x
    x = 9,546,442,452.25/112,487.60
  6. Step 6: Final answer
    x = 84,866.62

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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.