Home / 143,904.24-198,588.60-80,244.72

Finding the Fourth Proportional to 143,904.24, 198,588.60 and 80,244.72

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Solution

The fourth proportional to 143,904.24, 198,588.60 and 80,244.72 is: 110,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,904.24 : 198,588.60 = 80,244.72 : x
  2. Step 2: Convert to fraction form
    143,904.24/198,588.60 = 80,244.72/x
  3. Step 3: Cross multiply
    143,904.24x = 198,588.60 × 80,244.72
  4. Step 4: Simplify right side
    143,904.24x = 15,935,686,602.19
  5. Step 5: Solve for x
    x = 15,935,686,602.19/143,904.24
  6. Step 6: Final answer
    x = 110,738.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.