Home / 122,726.61-169,322.04-100,026.63

Finding the Fourth Proportional to 122,726.61, 169,322.04 and 100,026.63

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Solution

The fourth proportional to 122,726.61, 169,322.04 and 100,026.63 is: 138,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,726.61 : 169,322.04 = 100,026.63 : x
  2. Step 2: Convert to fraction form
    122,726.61/169,322.04 = 100,026.63/x
  3. Step 3: Cross multiply
    122,726.61x = 169,322.04 × 100,026.63
  4. Step 4: Simplify right side
    122,726.61x = 16,936,713,045.93
  5. Step 5: Solve for x
    x = 16,936,713,045.93/122,726.61
  6. Step 6: Final answer
    x = 138,003.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.