Home / 98,151.14-147,235.62-31,574.78

Finding the Fourth Proportional to 98,151.14, 147,235.62 and 31,574.78

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Solution

The fourth proportional to 98,151.14, 147,235.62 and 31,574.78 is: 47,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151.14 : 147,235.62 = 31,574.78 : x
  2. Step 2: Convert to fraction form
    98,151.14/147,235.62 = 31,574.78/x
  3. Step 3: Cross multiply
    98,151.14x = 147,235.62 × 31,574.78
  4. Step 4: Simplify right side
    98,151.14x = 4,648,932,309.66
  5. Step 5: Solve for x
    x = 4,648,932,309.66/98,151.14
  6. Step 6: Final answer
    x = 47,365.04

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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.