Home / 92,316.06-138,418.63-36,089.20

Finding the Fourth Proportional to 92,316.06, 138,418.63 and 36,089.20

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Solution

The fourth proportional to 92,316.06, 138,418.63 and 36,089.20 is: 54,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,316.06 : 138,418.63 = 36,089.20 : x
  2. Step 2: Convert to fraction form
    92,316.06/138,418.63 = 36,089.20/x
  3. Step 3: Cross multiply
    92,316.06x = 138,418.63 × 36,089.20
  4. Step 4: Simplify right side
    92,316.06x = 4,995,416,749.26
  5. Step 5: Solve for x
    x = 4,995,416,749.26/92,316.06
  6. Step 6: Final answer
    x = 54,112.11

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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.