Home / 157,367.45-217,167.09-85,747.46

Finding the Fourth Proportional to 157,367.45, 217,167.09 and 85,747.46

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Solution

The fourth proportional to 157,367.45, 217,167.09 and 85,747.46 is: 118,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,367.45 : 217,167.09 = 85,747.46 : x
  2. Step 2: Convert to fraction form
    157,367.45/217,167.09 = 85,747.46/x
  3. Step 3: Cross multiply
    157,367.45x = 217,167.09 × 85,747.46
  4. Step 4: Simplify right side
    157,367.45x = 18,621,526,363.09
  5. Step 5: Solve for x
    x = 18,621,526,363.09/157,367.45
  6. Step 6: Final answer
    x = 118,331.50

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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.