Home / 131,897.46-182,045.97-121,270.26

Finding the Fourth Proportional to 131,897.46, 182,045.97 and 121,270.26

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Solution

The fourth proportional to 131,897.46, 182,045.97 and 121,270.26 is: 167,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,897.46 : 182,045.97 = 121,270.26 : x
  2. Step 2: Convert to fraction form
    131,897.46/182,045.97 = 121,270.26/x
  3. Step 3: Cross multiply
    131,897.46x = 182,045.97 × 121,270.26
  4. Step 4: Simplify right side
    131,897.46x = 22,076,762,113.85
  5. Step 5: Solve for x
    x = 22,076,762,113.85/131,897.46
  6. Step 6: Final answer
    x = 167,378.22

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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.