Home / 147,212.28-203,152.98-80,144.28

Finding the Fourth Proportional to 147,212.28, 203,152.98 and 80,144.28

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Solution

The fourth proportional to 147,212.28, 203,152.98 and 80,144.28 is: 110,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,212.28 : 203,152.98 = 80,144.28 : x
  2. Step 2: Convert to fraction form
    147,212.28/203,152.98 = 80,144.28/x
  3. Step 3: Cross multiply
    147,212.28x = 203,152.98 × 80,144.28
  4. Step 4: Simplify right side
    147,212.28x = 16,281,549,311.95
  5. Step 5: Solve for x
    x = 16,281,549,311.95/147,212.28
  6. Step 6: Final answer
    x = 110,599.12

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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.