Home / 148,743.64-205,245.56-87,492.59

Finding the Fourth Proportional to 148,743.64, 205,245.56 and 87,492.59

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Solution

The fourth proportional to 148,743.64, 205,245.56 and 87,492.59 is: 120,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,743.64 : 205,245.56 = 87,492.59 : x
  2. Step 2: Convert to fraction form
    148,743.64/205,245.56 = 87,492.59/x
  3. Step 3: Cross multiply
    148,743.64x = 205,245.56 × 87,492.59
  4. Step 4: Simplify right side
    148,743.64x = 17,957,465,592.57
  5. Step 5: Solve for x
    x = 17,957,465,592.57/148,743.64
  6. Step 6: Final answer
    x = 120,727.62

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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.