Home / 101,670.47-140,305.25-56,355.27

Finding the Fourth Proportional to 101,670.47, 140,305.25 and 56,355.27

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Solution

The fourth proportional to 101,670.47, 140,305.25 and 56,355.27 is: 77,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,670.47 : 140,305.25 = 56,355.27 : x
  2. Step 2: Convert to fraction form
    101,670.47/140,305.25 = 56,355.27/x
  3. Step 3: Cross multiply
    101,670.47x = 140,305.25 × 56,355.27
  4. Step 4: Simplify right side
    101,670.47x = 7,906,940,246.17
  5. Step 5: Solve for x
    x = 7,906,940,246.17/101,670.47
  6. Step 6: Final answer
    x = 77,770.27

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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.