Home / 102,215.73-153,354.99-52,330.85

Finding the Fourth Proportional to 102,215.73, 153,354.99 and 52,330.85

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Solution

The fourth proportional to 102,215.73, 153,354.99 and 52,330.85 is: 78,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.73 : 153,354.99 = 52,330.85 : x
  2. Step 2: Convert to fraction form
    102,215.73/153,354.99 = 52,330.85/x
  3. Step 3: Cross multiply
    102,215.73x = 153,354.99 × 52,330.85
  4. Step 4: Simplify right side
    102,215.73x = 8,025,196,978.44
  5. Step 5: Solve for x
    x = 8,025,196,978.44/102,215.73
  6. Step 6: Final answer
    x = 78,512.35

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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.