Home / 86,221.68-118,988.22-52,222.96

Finding the Fourth Proportional to 86,221.68, 118,988.22 and 52,222.96

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Solution

The fourth proportional to 86,221.68, 118,988.22 and 52,222.96 is: 72,069.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,221.68 : 118,988.22 = 52,222.96 : x
  2. Step 2: Convert to fraction form
    86,221.68/118,988.22 = 52,222.96/x
  3. Step 3: Cross multiply
    86,221.68x = 118,988.22 × 52,222.96
  4. Step 4: Simplify right side
    86,221.68x = 6,213,917,053.53
  5. Step 5: Solve for x
    x = 6,213,917,053.53/86,221.68
  6. Step 6: Final answer
    x = 72,069.08

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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.