Home / 127,453.64-175,872.66-70,855.88

Finding the Fourth Proportional to 127,453.64, 175,872.66 and 70,855.88

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Solution

The fourth proportional to 127,453.64, 175,872.66 and 70,855.88 is: 97,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.64 : 175,872.66 = 70,855.88 : x
  2. Step 2: Convert to fraction form
    127,453.64/175,872.66 = 70,855.88/x
  3. Step 3: Cross multiply
    127,453.64x = 175,872.66 × 70,855.88
  4. Step 4: Simplify right side
    127,453.64x = 12,461,612,092.24
  5. Step 5: Solve for x
    x = 12,461,612,092.24/127,453.64
  6. Step 6: Final answer
    x = 97,773.69

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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.