Home / 171,002.30-256,503.45-115,015.10

Finding the Fourth Proportional to 171,002.30, 256,503.45 and 115,015.10

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Solution

The fourth proportional to 171,002.30, 256,503.45 and 115,015.10 is: 172,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,002.30 : 256,503.45 = 115,015.10 : x
  2. Step 2: Convert to fraction form
    171,002.30/256,503.45 = 115,015.10/x
  3. Step 3: Cross multiply
    171,002.30x = 256,503.45 × 115,015.10
  4. Step 4: Simplify right side
    171,002.30x = 29,501,769,952.10
  5. Step 5: Solve for x
    x = 29,501,769,952.10/171,002.30
  6. Step 6: Final answer
    x = 172,522.65

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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.