Home / 147,358.18-203,354.32-80,290.18

Finding the Fourth Proportional to 147,358.18, 203,354.32 and 80,290.18

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Solution

The fourth proportional to 147,358.18, 203,354.32 and 80,290.18 is: 110,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,358.18 : 203,354.32 = 80,290.18 : x
  2. Step 2: Convert to fraction form
    147,358.18/203,354.32 = 80,290.18/x
  3. Step 3: Cross multiply
    147,358.18x = 203,354.32 × 80,290.18
  4. Step 4: Simplify right side
    147,358.18x = 16,327,354,956.58
  5. Step 5: Solve for x
    x = 16,327,354,956.58/147,358.18
  6. Step 6: Final answer
    x = 110,800.47

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1.5x scale

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.