Home / 131,985.36-182,141.04-71,555.84

Finding the Fourth Proportional to 131,985.36, 182,141.04 and 71,555.84

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Solution

The fourth proportional to 131,985.36, 182,141.04 and 71,555.84 is: 98,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,985.36 : 182,141.04 = 71,555.84 : x
  2. Step 2: Convert to fraction form
    131,985.36/182,141.04 = 71,555.84/x
  3. Step 3: Cross multiply
    131,985.36x = 182,141.04 × 71,555.84
  4. Step 4: Simplify right side
    131,985.36x = 13,033,255,115.67
  5. Step 5: Solve for x
    x = 13,033,255,115.67/131,985.36
  6. Step 6: Final answer
    x = 98,747.73

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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.