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Finding the Fourth Proportional to 147,363.72, 203,363.46 and 80,295.72

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Solution

The fourth proportional to 147,363.72, 203,363.46 and 80,295.72 is: 110,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,363.72 : 203,363.46 = 80,295.72 : x
  2. Step 2: Convert to fraction form
    147,363.72/203,363.46 = 80,295.72/x
  3. Step 3: Cross multiply
    147,363.72x = 203,363.46 × 80,295.72
  4. Step 4: Simplify right side
    147,363.72x = 16,329,215,442.39
  5. Step 5: Solve for x
    x = 16,329,215,442.39/147,363.72
  6. Step 6: Final answer
    x = 110,808.93

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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.