Home / 102,528.73-153,815.88-31,461.25

Finding the Fourth Proportional to 102,528.73, 153,815.88 and 31,461.25

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Solution

The fourth proportional to 102,528.73, 153,815.88 and 31,461.25 is: 47,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.73 : 153,815.88 = 31,461.25 : x
  2. Step 2: Convert to fraction form
    102,528.73/153,815.88 = 31,461.25/x
  3. Step 3: Cross multiply
    102,528.73x = 153,815.88 × 31,461.25
  4. Step 4: Simplify right side
    102,528.73x = 4,839,239,854.65
  5. Step 5: Solve for x
    x = 4,839,239,854.65/102,528.73
  6. Step 6: Final answer
    x = 47,198.87

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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.