Home / 170,718.30-256,115.70-52,401.60

Finding the Fourth Proportional to 170,718.30, 256,115.70 and 52,401.60

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Solution

The fourth proportional to 170,718.30, 256,115.70 and 52,401.60 is: 78,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,718.30 : 256,115.70 = 52,401.60 : x
  2. Step 2: Convert to fraction form
    170,718.30/256,115.70 = 52,401.60/x
  3. Step 3: Cross multiply
    170,718.30x = 256,115.70 × 52,401.60
  4. Step 4: Simplify right side
    170,718.30x = 13,420,872,465.12
  5. Step 5: Solve for x
    x = 13,420,872,465.12/170,718.30
  6. Step 6: Final answer
    x = 78,614.14

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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.