Home / 144,437.05-199,373.25-99,264.57

Finding the Fourth Proportional to 144,437.05, 199,373.25 and 99,264.57

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Solution

The fourth proportional to 144,437.05, 199,373.25 and 99,264.57 is: 137,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,437.05 : 199,373.25 = 99,264.57 : x
  2. Step 2: Convert to fraction form
    144,437.05/199,373.25 = 99,264.57/x
  3. Step 3: Cross multiply
    144,437.05x = 199,373.25 × 99,264.57
  4. Step 4: Simplify right side
    144,437.05x = 19,790,699,930.75
  5. Step 5: Solve for x
    x = 19,790,699,930.75/144,437.05
  6. Step 6: Final answer
    x = 137,019.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.