Home / 145,376.88-218,077.16-40,195.85

Finding the Fourth Proportional to 145,376.88, 218,077.16 and 40,195.85

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Solution

The fourth proportional to 145,376.88, 218,077.16 and 40,195.85 is: 60,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,376.88 : 218,077.16 = 40,195.85 : x
  2. Step 2: Convert to fraction form
    145,376.88/218,077.16 = 40,195.85/x
  3. Step 3: Cross multiply
    145,376.88x = 218,077.16 × 40,195.85
  4. Step 4: Simplify right side
    145,376.88x = 8,765,795,746.52
  5. Step 5: Solve for x
    x = 8,765,795,746.52/145,376.88
  6. Step 6: Final answer
    x = 60,297.04

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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.