Home / 146,344.64-219,417.08-77,966.42

Finding the Fourth Proportional to 146,344.64, 219,417.08 and 77,966.42

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Solution

The fourth proportional to 146,344.64, 219,417.08 and 77,966.42 is: 116,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,344.64 : 219,417.08 = 77,966.42 : x
  2. Step 2: Convert to fraction form
    146,344.64/219,417.08 = 77,966.42/x
  3. Step 3: Cross multiply
    146,344.64x = 219,417.08 × 77,966.42
  4. Step 4: Simplify right side
    146,344.64x = 17,107,162,727.54
  5. Step 5: Solve for x
    x = 17,107,162,727.54/146,344.64
  6. Step 6: Final answer
    x = 116,896.41

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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.