Home / 98,261.30-147,420.66-31,699.96

Finding the Fourth Proportional to 98,261.30, 147,420.66 and 31,699.96

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Solution

The fourth proportional to 98,261.30, 147,420.66 and 31,699.96 is: 47,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,261.30 : 147,420.66 = 31,699.96 : x
  2. Step 2: Convert to fraction form
    98,261.30/147,420.66 = 31,699.96/x
  3. Step 3: Cross multiply
    98,261.30x = 147,420.66 × 31,699.96
  4. Step 4: Simplify right side
    98,261.30x = 4,673,229,025.17
  5. Step 5: Solve for x
    x = 4,673,229,025.17/98,261.30
  6. Step 6: Final answer
    x = 47,559.20

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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.