Home / 147,330.75-203,316.45-80,262.75

Finding the Fourth Proportional to 147,330.75, 203,316.45 and 80,262.75

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Solution

The fourth proportional to 147,330.75, 203,316.45 and 80,262.75 is: 110,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,330.75 : 203,316.45 = 80,262.75 : x
  2. Step 2: Convert to fraction form
    147,330.75/203,316.45 = 80,262.75/x
  3. Step 3: Cross multiply
    147,330.75x = 203,316.45 × 80,262.75
  4. Step 4: Simplify right side
    147,330.75x = 16,318,737,397.24
  5. Step 5: Solve for x
    x = 16,318,737,397.24/147,330.75
  6. Step 6: Final answer
    x = 110,762.60

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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.