Home / 157,370.31-217,173.51-85,750.29

Finding the Fourth Proportional to 157,370.31, 217,173.51 and 85,750.29

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Solution

The fourth proportional to 157,370.31, 217,173.51 and 85,750.29 is: 118,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,370.31 : 217,173.51 = 85,750.29 : x
  2. Step 2: Convert to fraction form
    157,370.31/217,173.51 = 85,750.29/x
  3. Step 3: Cross multiply
    157,370.31x = 217,173.51 × 85,750.29
  4. Step 4: Simplify right side
    157,370.31x = 18,622,691,462.82
  5. Step 5: Solve for x
    x = 18,622,691,462.82/157,370.31
  6. Step 6: Final answer
    x = 118,336.75

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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.