Home / 124,023.60-186,035.40-74,257.20

Finding the Fourth Proportional to 124,023.60, 186,035.40 and 74,257.20

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Solution

The fourth proportional to 124,023.60, 186,035.40 and 74,257.20 is: 111,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,023.60 : 186,035.40 = 74,257.20 : x
  2. Step 2: Convert to fraction form
    124,023.60/186,035.40 = 74,257.20/x
  3. Step 3: Cross multiply
    124,023.60x = 186,035.40 × 74,257.20
  4. Step 4: Simplify right side
    124,023.60x = 13,814,467,904.88
  5. Step 5: Solve for x
    x = 13,814,467,904.88/124,023.60
  6. Step 6: Final answer
    x = 111,385.80

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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.