Home / 107,440.52-161,145.90-28,561.16

Finding the Fourth Proportional to 107,440.52, 161,145.90 and 28,561.16

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Solution

The fourth proportional to 107,440.52, 161,145.90 and 28,561.16 is: 42,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,440.52 : 161,145.90 = 28,561.16 : x
  2. Step 2: Convert to fraction form
    107,440.52/161,145.90 = 28,561.16/x
  3. Step 3: Cross multiply
    107,440.52x = 161,145.90 × 28,561.16
  4. Step 4: Simplify right side
    107,440.52x = 4,602,513,833.24
  5. Step 5: Solve for x
    x = 4,602,513,833.24/107,440.52
  6. Step 6: Final answer
    x = 42,837.78

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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.