Home / 92,536.06-138,715.80-42,649.78

Finding the Fourth Proportional to 92,536.06, 138,715.80 and 42,649.78

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Solution

The fourth proportional to 92,536.06, 138,715.80 and 42,649.78 is: 63,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,536.06 : 138,715.80 = 42,649.78 : x
  2. Step 2: Convert to fraction form
    92,536.06/138,715.80 = 42,649.78/x
  3. Step 3: Cross multiply
    92,536.06x = 138,715.80 × 42,649.78
  4. Step 4: Simplify right side
    92,536.06x = 5,916,198,352.52
  5. Step 5: Solve for x
    x = 5,916,198,352.52/92,536.06
  6. Step 6: Final answer
    x = 63,933.98

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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.