Home / 163,788.27-245,689.40-57,182.96

Finding the Fourth Proportional to 163,788.27, 245,689.40 and 57,182.96

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Solution

The fourth proportional to 163,788.27, 245,689.40 and 57,182.96 is: 85,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,788.27 : 245,689.40 = 57,182.96 : x
  2. Step 2: Convert to fraction form
    163,788.27/245,689.40 = 57,182.96/x
  3. Step 3: Cross multiply
    163,788.27x = 245,689.40 × 57,182.96
  4. Step 4: Simplify right side
    163,788.27x = 14,049,247,132.62
  5. Step 5: Solve for x
    x = 14,049,247,132.62/163,788.27
  6. Step 6: Final answer
    x = 85,776.88

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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.