Home / 144,574.04-217,109.22-88,742

Finding the Fourth Proportional to 144,574.04, 217,109.22 and 88,742

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Solution

The fourth proportional to 144,574.04, 217,109.22 and 88,742 is: 133,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,574.04 : 217,109.22 = 88,742 : x
  2. Step 2: Convert to fraction form
    144,574.04/217,109.22 = 88,742/x
  3. Step 3: Cross multiply
    144,574.04x = 217,109.22 × 88,742
  4. Step 4: Simplify right side
    144,574.04x = 19,266,706,401.24
  5. Step 5: Solve for x
    x = 19,266,706,401.24/144,574.04
  6. Step 6: Final answer
    x = 133,265.32

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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.