Home / 99,815.60-149,594.28-40,582.64

Finding the Fourth Proportional to 99,815.60, 149,594.28 and 40,582.64

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Solution

The fourth proportional to 99,815.60, 149,594.28 and 40,582.64 is: 60,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815.60 : 149,594.28 = 40,582.64 : x
  2. Step 2: Convert to fraction form
    99,815.60/149,594.28 = 40,582.64/x
  3. Step 3: Cross multiply
    99,815.60x = 149,594.28 × 40,582.64
  4. Step 4: Simplify right side
    99,815.60x = 6,070,930,811.30
  5. Step 5: Solve for x
    x = 6,070,930,811.30/99,815.60
  6. Step 6: Final answer
    x = 60,821.46

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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.