Home / 98,177.67-147,270.96-31,618.35

Finding the Fourth Proportional to 98,177.67, 147,270.96 and 31,618.35

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Solution

The fourth proportional to 98,177.67, 147,270.96 and 31,618.35 is: 47,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,177.67 : 147,270.96 = 31,618.35 : x
  2. Step 2: Convert to fraction form
    98,177.67/147,270.96 = 31,618.35/x
  3. Step 3: Cross multiply
    98,177.67x = 147,270.96 × 31,618.35
  4. Step 4: Simplify right side
    98,177.67x = 4,656,464,758.12
  5. Step 5: Solve for x
    x = 4,656,464,758.12/98,177.67
  6. Step 6: Final answer
    x = 47,428.96

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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.