Home / 98,098.79-147,235.66-45,537.89

Finding the Fourth Proportional to 98,098.79, 147,235.66 and 45,537.89

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Solution

The fourth proportional to 98,098.79, 147,235.66 and 45,537.89 is: 68,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,098.79 : 147,235.66 = 45,537.89 : x
  2. Step 2: Convert to fraction form
    98,098.79/147,235.66 = 45,537.89/x
  3. Step 3: Cross multiply
    98,098.79x = 147,235.66 × 45,537.89
  4. Step 4: Simplify right side
    98,098.79x = 6,704,800,439.13
  5. Step 5: Solve for x
    x = 6,704,800,439.13/98,098.79
  6. Step 6: Final answer
    x = 68,347.44

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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.