Home / 157,365.31-217,164.17-85,745.35

Finding the Fourth Proportional to 157,365.31, 217,164.17 and 85,745.35

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Solution

The fourth proportional to 157,365.31, 217,164.17 and 85,745.35 is: 118,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,365.31 : 217,164.17 = 85,745.35 : x
  2. Step 2: Convert to fraction form
    157,365.31/217,164.17 = 85,745.35/x
  3. Step 3: Cross multiply
    157,365.31x = 217,164.17 × 85,745.35
  4. Step 4: Simplify right side
    157,365.31x = 18,620,817,764.11
  5. Step 5: Solve for x
    x = 18,620,817,764.11/157,365.31
  6. Step 6: Final answer
    x = 118,328.61

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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.