Home / 220,145.24-330,148.73-93,784.16

Finding the Fourth Proportional to 220,145.24, 330,148.73 and 93,784.16

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Solution

The fourth proportional to 220,145.24, 330,148.73 and 93,784.16 is: 140,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,145.24 : 330,148.73 = 93,784.16 : x
  2. Step 2: Convert to fraction form
    220,145.24/330,148.73 = 93,784.16/x
  3. Step 3: Cross multiply
    220,145.24x = 330,148.73 × 93,784.16
  4. Step 4: Simplify right side
    220,145.24x = 30,962,721,318.12
  5. Step 5: Solve for x
    x = 30,962,721,318.12/220,145.24
  6. Step 6: Final answer
    x = 140,646.79

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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.