Home / 92,143.38-138,071.07-64,118.19

Finding the Fourth Proportional to 92,143.38, 138,071.07 and 64,118.19

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Solution

The fourth proportional to 92,143.38, 138,071.07 and 64,118.19 is: 96,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,143.38 : 138,071.07 = 64,118.19 : x
  2. Step 2: Convert to fraction form
    92,143.38/138,071.07 = 64,118.19/x
  3. Step 3: Cross multiply
    92,143.38x = 138,071.07 × 64,118.19
  4. Step 4: Simplify right side
    92,143.38x = 8,852,867,099.76
  5. Step 5: Solve for x
    x = 8,852,867,099.76/92,143.38
  6. Step 6: Final answer
    x = 96,077.08

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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.