Home / 178,823.40-267,797.70-85,219.80

Finding the Fourth Proportional to 178,823.40, 267,797.70 and 85,219.80

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Solution

The fourth proportional to 178,823.40, 267,797.70 and 85,219.80 is: 127,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,823.40 : 267,797.70 = 85,219.80 : x
  2. Step 2: Convert to fraction form
    178,823.40/267,797.70 = 85,219.80/x
  3. Step 3: Cross multiply
    178,823.40x = 267,797.70 × 85,219.80
  4. Step 4: Simplify right side
    178,823.40x = 22,821,666,434.46
  5. Step 5: Solve for x
    x = 22,821,666,434.46/178,823.40
  6. Step 6: Final answer
    x = 127,621.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.