Home / 131,702.43-181,749.80-71,273.06

Finding the Fourth Proportional to 131,702.43, 181,749.80 and 71,273.06

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Solution

The fourth proportional to 131,702.43, 181,749.80 and 71,273.06 is: 98,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,702.43 : 181,749.80 = 71,273.06 : x
  2. Step 2: Convert to fraction form
    131,702.43/181,749.80 = 71,273.06/x
  3. Step 3: Cross multiply
    131,702.43x = 181,749.80 × 71,273.06
  4. Step 4: Simplify right side
    131,702.43x = 12,953,863,669.82
  5. Step 5: Solve for x
    x = 12,953,863,669.82/131,702.43
  6. Step 6: Final answer
    x = 98,357.06

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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.