Home / 102,823.31-154,177.67-31,725.77

Finding the Fourth Proportional to 102,823.31, 154,177.67 and 31,725.77

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Solution

The fourth proportional to 102,823.31, 154,177.67 and 31,725.77 is: 47,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.31 : 154,177.67 = 31,725.77 : x
  2. Step 2: Convert to fraction form
    102,823.31/154,177.67 = 31,725.77/x
  3. Step 3: Cross multiply
    102,823.31x = 154,177.67 × 31,725.77
  4. Step 4: Simplify right side
    102,823.31x = 4,891,404,368.04
  5. Step 5: Solve for x
    x = 4,891,404,368.04/102,823.31
  6. Step 6: Final answer
    x = 47,570.97

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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.