Home / 135,979.24-203,898.76-61,035.12

Finding the Fourth Proportional to 135,979.24, 203,898.76 and 61,035.12

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Solution

The fourth proportional to 135,979.24, 203,898.76 and 61,035.12 is: 91,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,979.24 : 203,898.76 = 61,035.12 : x
  2. Step 2: Convert to fraction form
    135,979.24/203,898.76 = 61,035.12/x
  3. Step 3: Cross multiply
    135,979.24x = 203,898.76 × 61,035.12
  4. Step 4: Simplify right side
    135,979.24x = 12,444,985,284.45
  5. Step 5: Solve for x
    x = 12,444,985,284.45/135,979.24
  6. Step 6: Final answer
    x = 91,521.22

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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.