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Finding the Fourth Proportional to 127,064.96, 175,370.64 and 70,494.56

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Solution

The fourth proportional to 127,064.96, 175,370.64 and 70,494.56 is: 97,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064.96 : 175,370.64 = 70,494.56 : x
  2. Step 2: Convert to fraction form
    127,064.96/175,370.64 = 70,494.56/x
  3. Step 3: Cross multiply
    127,064.96x = 175,370.64 × 70,494.56
  4. Step 4: Simplify right side
    127,064.96x = 12,362,676,103.72
  5. Step 5: Solve for x
    x = 12,362,676,103.72/127,064.96
  6. Step 6: Final answer
    x = 97,294.14

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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.