Home / 103,132.13-154,698.31-28,252.92

Finding the Fourth Proportional to 103,132.13, 154,698.31 and 28,252.92

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Solution

The fourth proportional to 103,132.13, 154,698.31 and 28,252.92 is: 42,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,132.13 : 154,698.31 = 28,252.92 : x
  2. Step 2: Convert to fraction form
    103,132.13/154,698.31 = 28,252.92/x
  3. Step 3: Cross multiply
    103,132.13x = 154,698.31 × 28,252.92
  4. Step 4: Simplify right side
    103,132.13x = 4,370,678,976.57
  5. Step 5: Solve for x
    x = 4,370,678,976.57/103,132.13
  6. Step 6: Final answer
    x = 42,379.41

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1.5x scale

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.