Home / 145,744.56-218,616.89-112,513.14

Finding the Fourth Proportional to 145,744.56, 218,616.89 and 112,513.14

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Solution

The fourth proportional to 145,744.56, 218,616.89 and 112,513.14 is: 168,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,744.56 : 218,616.89 = 112,513.14 : x
  2. Step 2: Convert to fraction form
    145,744.56/218,616.89 = 112,513.14/x
  3. Step 3: Cross multiply
    145,744.56x = 218,616.89 × 112,513.14
  4. Step 4: Simplify right side
    145,744.56x = 24,597,272,188.37
  5. Step 5: Solve for x
    x = 24,597,272,188.37/145,744.56
  6. Step 6: Final answer
    x = 168,769.74

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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.