Home / 147,354.43-203,346.35-81,947.26

Finding the Fourth Proportional to 147,354.43, 203,346.35 and 81,947.26

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Solution

The fourth proportional to 147,354.43, 203,346.35 and 81,947.26 is: 113,085.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,354.43 : 203,346.35 = 81,947.26 : x
  2. Step 2: Convert to fraction form
    147,354.43/203,346.35 = 81,947.26/x
  3. Step 3: Cross multiply
    147,354.43x = 203,346.35 × 81,947.26
  4. Step 4: Simplify right side
    147,354.43x = 16,663,676,213.50
  5. Step 5: Solve for x
    x = 16,663,676,213.50/147,354.43
  6. Step 6: Final answer
    x = 113,085.68

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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.