Home / 98,249.28-147,403.20-31,699.84

Finding the Fourth Proportional to 98,249.28, 147,403.20 and 31,699.84

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Solution

The fourth proportional to 98,249.28, 147,403.20 and 31,699.84 is: 47,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,249.28 : 147,403.20 = 31,699.84 : x
  2. Step 2: Convert to fraction form
    98,249.28/147,403.20 = 31,699.84/x
  3. Step 3: Cross multiply
    98,249.28x = 147,403.20 × 31,699.84
  4. Step 4: Simplify right side
    98,249.28x = 4,672,657,855.49
  5. Step 5: Solve for x
    x = 4,672,657,855.49/98,249.28
  6. Step 6: Final answer
    x = 47,559.21

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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.