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Finding the Fourth Proportional to 127,256.66, 175,594.66 and 73,531.26

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Solution

The fourth proportional to 127,256.66, 175,594.66 and 73,531.26 is: 101,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,256.66 : 175,594.66 = 73,531.26 : x
  2. Step 2: Convert to fraction form
    127,256.66/175,594.66 = 73,531.26/x
  3. Step 3: Cross multiply
    127,256.66x = 175,594.66 × 73,531.26
  4. Step 4: Simplify right side
    127,256.66x = 12,911,696,415.24
  5. Step 5: Solve for x
    x = 12,911,696,415.24/127,256.66
  6. Step 6: Final answer
    x = 101,461.85

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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.