Home / 112,325.08-155,035.20-64,606

Finding the Fourth Proportional to 112,325.08, 155,035.20 and 64,606

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Solution

The fourth proportional to 112,325.08, 155,035.20 and 64,606 is: 89,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325.08 : 155,035.20 = 64,606 : x
  2. Step 2: Convert to fraction form
    112,325.08/155,035.20 = 64,606/x
  3. Step 3: Cross multiply
    112,325.08x = 155,035.20 × 64,606
  4. Step 4: Simplify right side
    112,325.08x = 10,016,204,131.20
  5. Step 5: Solve for x
    x = 10,016,204,131.20/112,325.08
  6. Step 6: Final answer
    x = 89,171.57

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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.