Home / 147,354.18-203,346.01-81,947.02

Finding the Fourth Proportional to 147,354.18, 203,346.01 and 81,947.02

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Solution

The fourth proportional to 147,354.18, 203,346.01 and 81,947.02 is: 113,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,354.18 : 203,346.01 = 81,947.02 : x
  2. Step 2: Convert to fraction form
    147,354.18/203,346.01 = 81,947.02/x
  3. Step 3: Cross multiply
    147,354.18x = 203,346.01 × 81,947.02
  4. Step 4: Simplify right side
    147,354.18x = 16,663,598,121.93
  5. Step 5: Solve for x
    x = 16,663,598,121.93/147,354.18
  6. Step 6: Final answer
    x = 113,085.35

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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.