Home / 171,267.12-256,902.60-76,502.16

Finding the Fourth Proportional to 171,267.12, 256,902.60 and 76,502.16

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Solution

The fourth proportional to 171,267.12, 256,902.60 and 76,502.16 is: 114,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,267.12 : 256,902.60 = 76,502.16 : x
  2. Step 2: Convert to fraction form
    171,267.12/256,902.60 = 76,502.16/x
  3. Step 3: Cross multiply
    171,267.12x = 256,902.60 × 76,502.16
  4. Step 4: Simplify right side
    171,267.12x = 19,653,603,809.62
  5. Step 5: Solve for x
    x = 19,653,603,809.62/171,267.12
  6. Step 6: Final answer
    x = 114,754.10

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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.