Home / 157,313.90-217,092.83-85,693.75

Finding the Fourth Proportional to 157,313.90, 217,092.83 and 85,693.75

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Solution

The fourth proportional to 157,313.90, 217,092.83 and 85,693.75 is: 118,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,313.90 : 217,092.83 = 85,693.75 : x
  2. Step 2: Convert to fraction form
    157,313.90/217,092.83 = 85,693.75/x
  3. Step 3: Cross multiply
    157,313.90x = 217,092.83 × 85,693.75
  4. Step 4: Simplify right side
    157,313.90x = 18,603,497,729.61
  5. Step 5: Solve for x
    x = 18,603,497,729.61/157,313.90
  6. Step 6: Final answer
    x = 118,257.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.