Home / 99,445.12-149,168.08-40,281.91

Finding the Fourth Proportional to 99,445.12, 149,168.08 and 40,281.91

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Solution

The fourth proportional to 99,445.12, 149,168.08 and 40,281.91 is: 60,423.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,445.12 : 149,168.08 = 40,281.91 : x
  2. Step 2: Convert to fraction form
    99,445.12/149,168.08 = 40,281.91/x
  3. Step 3: Cross multiply
    99,445.12x = 149,168.08 × 40,281.91
  4. Step 4: Simplify right side
    99,445.12x = 6,008,774,850.86
  5. Step 5: Solve for x
    x = 6,008,774,850.86/99,445.12
  6. Step 6: Final answer
    x = 60,423.03

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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.