Home / 131,701.98-181,748.02-71,272.61

Finding the Fourth Proportional to 131,701.98, 181,748.02 and 71,272.61

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Solution

The fourth proportional to 131,701.98, 181,748.02 and 71,272.61 is: 98,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.98 : 181,748.02 = 71,272.61 : x
  2. Step 2: Convert to fraction form
    131,701.98/181,748.02 = 71,272.61/x
  3. Step 3: Cross multiply
    131,701.98x = 181,748.02 × 71,272.61
  4. Step 4: Simplify right side
    131,701.98x = 12,953,654,482.63
  5. Step 5: Solve for x
    x = 12,953,654,482.63/131,701.98
  6. Step 6: Final answer
    x = 98,355.81

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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.