Home / 127,360.35-175,702.77-79,530.66

Finding the Fourth Proportional to 127,360.35, 175,702.77 and 79,530.66

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Solution

The fourth proportional to 127,360.35, 175,702.77 and 79,530.66 is: 109,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,360.35 : 175,702.77 = 79,530.66 : x
  2. Step 2: Convert to fraction form
    127,360.35/175,702.77 = 79,530.66/x
  3. Step 3: Cross multiply
    127,360.35x = 175,702.77 × 79,530.66
  4. Step 4: Simplify right side
    127,360.35x = 13,973,757,261.93
  5. Step 5: Solve for x
    x = 13,973,757,261.93/127,360.35
  6. Step 6: Final answer
    x = 109,718.27

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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.