Home / 145,974.96-218,535.96-131,967.36

Finding the Fourth Proportional to 145,974.96, 218,535.96 and 131,967.36

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Solution

The fourth proportional to 145,974.96, 218,535.96 and 131,967.36 is: 197,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,974.96 : 218,535.96 = 131,967.36 : x
  2. Step 2: Convert to fraction form
    145,974.96/218,535.96 = 131,967.36/x
  3. Step 3: Cross multiply
    145,974.96x = 218,535.96 × 131,967.36
  4. Step 4: Simplify right side
    145,974.96x = 28,839,613,706.27
  5. Step 5: Solve for x
    x = 28,839,613,706.27/145,974.96
  6. Step 6: Final answer
    x = 197,565.48

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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.