Home / 112,620.60-168,833.70-57,216.60

Finding the Fourth Proportional to 112,620.60, 168,833.70 and 57,216.60

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Solution

The fourth proportional to 112,620.60, 168,833.70 and 57,216.60 is: 85,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,620.60 : 168,833.70 = 57,216.60 : x
  2. Step 2: Convert to fraction form
    112,620.60/168,833.70 = 57,216.60/x
  3. Step 3: Cross multiply
    112,620.60x = 168,833.70 × 57,216.60
  4. Step 4: Simplify right side
    112,620.60x = 9,660,090,279.42
  5. Step 5: Solve for x
    x = 9,660,090,279.42/112,620.60
  6. Step 6: Final answer
    x = 85,775.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.