Home / 116,511.60-174,767.40-74,521.20

Finding the Fourth Proportional to 116,511.60, 174,767.40 and 74,521.20

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Solution

The fourth proportional to 116,511.60, 174,767.40 and 74,521.20 is: 111,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,511.60 : 174,767.40 = 74,521.20 : x
  2. Step 2: Convert to fraction form
    116,511.60/174,767.40 = 74,521.20/x
  3. Step 3: Cross multiply
    116,511.60x = 174,767.40 × 74,521.20
  4. Step 4: Simplify right side
    116,511.60x = 13,023,876,368.88
  5. Step 5: Solve for x
    x = 13,023,876,368.88/116,511.60
  6. Step 6: Final answer
    x = 111,781.80

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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.