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Finding the Fourth Proportional to 101,797.26, 140,479.99 and 56,482.14

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Solution

The fourth proportional to 101,797.26, 140,479.99 and 56,482.14 is: 77,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,797.26 : 140,479.99 = 56,482.14 : x
  2. Step 2: Convert to fraction form
    101,797.26/140,479.99 = 56,482.14/x
  3. Step 3: Cross multiply
    101,797.26x = 140,479.99 × 56,482.14
  4. Step 4: Simplify right side
    101,797.26x = 7,934,610,462.38
  5. Step 5: Solve for x
    x = 7,934,610,462.38/101,797.26
  6. Step 6: Final answer
    x = 77,945.23

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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.