Home / 147,432.75-203,457.33-80,364.75

Finding the Fourth Proportional to 147,432.75, 203,457.33 and 80,364.75

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Solution

The fourth proportional to 147,432.75, 203,457.33 and 80,364.75 is: 110,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,432.75 : 203,457.33 = 80,364.75 : x
  2. Step 2: Convert to fraction form
    147,432.75/203,457.33 = 80,364.75/x
  3. Step 3: Cross multiply
    147,432.75x = 203,457.33 × 80,364.75
  4. Step 4: Simplify right side
    147,432.75x = 16,350,797,461.12
  5. Step 5: Solve for x
    x = 16,350,797,461.12/147,432.75
  6. Step 6: Final answer
    x = 110,903.43

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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.