Home / 179,200.02-268,966.08-90,515.69

Finding the Fourth Proportional to 179,200.02, 268,966.08 and 90,515.69

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Solution

The fourth proportional to 179,200.02, 268,966.08 and 90,515.69 is: 135,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,200.02 : 268,966.08 = 90,515.69 : x
  2. Step 2: Convert to fraction form
    179,200.02/268,966.08 = 90,515.69/x
  3. Step 3: Cross multiply
    179,200.02x = 268,966.08 × 90,515.69
  4. Step 4: Simplify right side
    179,200.02x = 24,345,648,972.96
  5. Step 5: Solve for x
    x = 24,345,648,972.96/179,200.02
  6. Step 6: Final answer
    x = 135,857.40

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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.