Home / 131,702.07-181,747.45-71,271.37

Finding the Fourth Proportional to 131,702.07, 181,747.45 and 71,271.37

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Solution

The fourth proportional to 131,702.07, 181,747.45 and 71,271.37 is: 98,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,702.07 : 181,747.45 = 71,271.37 : x
  2. Step 2: Convert to fraction form
    131,702.07/181,747.45 = 71,271.37/x
  3. Step 3: Cross multiply
    131,702.07x = 181,747.45 × 71,271.37
  4. Step 4: Simplify right side
    131,702.07x = 12,953,389,755.51
  5. Step 5: Solve for x
    x = 12,953,389,755.51/131,702.07
  6. Step 6: Final answer
    x = 98,353.73

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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.