Home / 96,215.31-144,346.44-67,807.64

Finding the Fourth Proportional to 96,215.31, 144,346.44 and 67,807.64

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Solution

The fourth proportional to 96,215.31, 144,346.44 and 67,807.64 is: 101,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,215.31 : 144,346.44 = 67,807.64 : x
  2. Step 2: Convert to fraction form
    96,215.31/144,346.44 = 67,807.64/x
  3. Step 3: Cross multiply
    96,215.31x = 144,346.44 × 67,807.64
  4. Step 4: Simplify right side
    96,215.31x = 9,787,791,019.78
  5. Step 5: Solve for x
    x = 9,787,791,019.78/96,215.31
  6. Step 6: Final answer
    x = 101,728.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.