Home / 92,341.68-138,512.52-52,871.46

Finding the Fourth Proportional to 92,341.68, 138,512.52 and 52,871.46

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Solution

The fourth proportional to 92,341.68, 138,512.52 and 52,871.46 is: 79,307.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,341.68 : 138,512.52 = 52,871.46 : x
  2. Step 2: Convert to fraction form
    92,341.68/138,512.52 = 52,871.46/x
  3. Step 3: Cross multiply
    92,341.68x = 138,512.52 × 52,871.46
  4. Step 4: Simplify right side
    92,341.68x = 7,323,359,160.68
  5. Step 5: Solve for x
    x = 7,323,359,160.68/92,341.68
  6. Step 6: Final answer
    x = 79,307.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.