Home / 147,320.28-203,302.02-80,252.28

Finding the Fourth Proportional to 147,320.28, 203,302.02 and 80,252.28

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Solution

The fourth proportional to 147,320.28, 203,302.02 and 80,252.28 is: 110,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,320.28 : 203,302.02 = 80,252.28 : x
  2. Step 2: Convert to fraction form
    147,320.28/203,302.02 = 80,252.28/x
  3. Step 3: Cross multiply
    147,320.28x = 203,302.02 × 80,252.28
  4. Step 4: Simplify right side
    147,320.28x = 16,315,450,633.61
  5. Step 5: Solve for x
    x = 16,315,450,633.61/147,320.28
  6. Step 6: Final answer
    x = 110,748.16

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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.