Home / 112,726.04-169,087.91-28,484.48

Finding the Fourth Proportional to 112,726.04, 169,087.91 and 28,484.48

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Solution

The fourth proportional to 112,726.04, 169,087.91 and 28,484.48 is: 42,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,726.04 : 169,087.91 = 28,484.48 : x
  2. Step 2: Convert to fraction form
    112,726.04/169,087.91 = 28,484.48/x
  3. Step 3: Cross multiply
    112,726.04x = 169,087.91 × 28,484.48
  4. Step 4: Simplify right side
    112,726.04x = 4,816,381,470.93
  5. Step 5: Solve for x
    x = 4,816,381,470.93/112,726.04
  6. Step 6: Final answer
    x = 42,726.43

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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.