Home / 145,690.10-218,621.55-95,912.90

Finding the Fourth Proportional to 145,690.10, 218,621.55 and 95,912.90

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Solution

The fourth proportional to 145,690.10, 218,621.55 and 95,912.90 is: 143,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690.10 : 218,621.55 = 95,912.90 : x
  2. Step 2: Convert to fraction form
    145,690.10/218,621.55 = 95,912.90/x
  3. Step 3: Cross multiply
    145,690.10x = 218,621.55 × 95,912.90
  4. Step 4: Simplify right side
    145,690.10x = 20,968,626,863.00
  5. Step 5: Solve for x
    x = 20,968,626,863.00/145,690.10
  6. Step 6: Final answer
    x = 143,926.23

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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.