Home / 131,599.17-181,607.40-71,169.81

Finding the Fourth Proportional to 131,599.17, 181,607.40 and 71,169.81

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Solution

The fourth proportional to 131,599.17, 181,607.40 and 71,169.81 is: 98,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,599.17 : 181,607.40 = 71,169.81 : x
  2. Step 2: Convert to fraction form
    131,599.17/181,607.40 = 71,169.81/x
  3. Step 3: Cross multiply
    131,599.17x = 181,607.40 × 71,169.81
  4. Step 4: Simplify right side
    131,599.17x = 12,924,964,359.66
  5. Step 5: Solve for x
    x = 12,924,964,359.66/131,599.17
  6. Step 6: Final answer
    x = 98,214.63

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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.