Home / 147,423.82-203,444.93-83,761.70

Finding the Fourth Proportional to 147,423.82, 203,444.93 and 83,761.70

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Solution

The fourth proportional to 147,423.82, 203,444.93 and 83,761.70 is: 115,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,423.82 : 203,444.93 = 83,761.70 : x
  2. Step 2: Convert to fraction form
    147,423.82/203,444.93 = 83,761.70/x
  3. Step 3: Cross multiply
    147,423.82x = 203,444.93 × 83,761.70
  4. Step 4: Simplify right side
    147,423.82x = 17,040,893,193.18
  5. Step 5: Solve for x
    x = 17,040,893,193.18/147,423.82
  6. Step 6: Final answer
    x = 115,591.18

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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.