Home / 144,743.10-217,114.65-89,447.10

Finding the Fourth Proportional to 144,743.10, 217,114.65 and 89,447.10

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Solution

The fourth proportional to 144,743.10, 217,114.65 and 89,447.10 is: 134,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743.10 : 217,114.65 = 89,447.10 : x
  2. Step 2: Convert to fraction form
    144,743.10/217,114.65 = 89,447.10/x
  3. Step 3: Cross multiply
    144,743.10x = 217,114.65 × 89,447.10
  4. Step 4: Simplify right side
    144,743.10x = 19,420,275,810.02
  5. Step 5: Solve for x
    x = 19,420,275,810.02/144,743.10
  6. Step 6: Final answer
    x = 134,170.65

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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.