Home / 98,427.08-147,664.08-31,867.22

Finding the Fourth Proportional to 98,427.08, 147,664.08 and 31,867.22

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Solution

The fourth proportional to 98,427.08, 147,664.08 and 31,867.22 is: 47,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,427.08 : 147,664.08 = 31,867.22 : x
  2. Step 2: Convert to fraction form
    98,427.08/147,664.08 = 31,867.22/x
  3. Step 3: Cross multiply
    98,427.08x = 147,664.08 × 31,867.22
  4. Step 4: Simplify right side
    98,427.08x = 4,705,644,092.62
  5. Step 5: Solve for x
    x = 4,705,644,092.62/98,427.08
  6. Step 6: Final answer
    x = 47,808.43

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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.