Home / 175,000.20-262,500.30-172,084.20

Finding the Fourth Proportional to 175,000.20, 262,500.30 and 172,084.20

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Solution

The fourth proportional to 175,000.20, 262,500.30 and 172,084.20 is: 258,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,000.20 : 262,500.30 = 172,084.20 : x
  2. Step 2: Convert to fraction form
    175,000.20/262,500.30 = 172,084.20/x
  3. Step 3: Cross multiply
    175,000.20x = 262,500.30 × 172,084.20
  4. Step 4: Simplify right side
    175,000.20x = 45,172,154,125.26
  5. Step 5: Solve for x
    x = 45,172,154,125.26/175,000.20
  6. Step 6: Final answer
    x = 258,126.30

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1.5x scale

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.