Home / 98,869.28-148,302.66-23,990

Finding the Fourth Proportional to 98,869.28, 148,302.66 and 23,990

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Solution

The fourth proportional to 98,869.28, 148,302.66 and 23,990 is: 35,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,869.28 : 148,302.66 = 23,990 : x
  2. Step 2: Convert to fraction form
    98,869.28/148,302.66 = 23,990/x
  3. Step 3: Cross multiply
    98,869.28x = 148,302.66 × 23,990
  4. Step 4: Simplify right side
    98,869.28x = 3,557,780,813.40
  5. Step 5: Solve for x
    x = 3,557,780,813.40/98,869.28
  6. Step 6: Final answer
    x = 35,984.69

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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.