Home / 143,672.64-198,300.48-93,284.16

Finding the Fourth Proportional to 143,672.64, 198,300.48 and 93,284.16

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Solution

The fourth proportional to 143,672.64, 198,300.48 and 93,284.16 is: 128,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,672.64 : 198,300.48 = 93,284.16 : x
  2. Step 2: Convert to fraction form
    143,672.64/198,300.48 = 93,284.16/x
  3. Step 3: Cross multiply
    143,672.64x = 198,300.48 × 93,284.16
  4. Step 4: Simplify right side
    143,672.64x = 18,498,293,704.40
  5. Step 5: Solve for x
    x = 18,498,293,704.40/143,672.64
  6. Step 6: Final answer
    x = 128,753.07

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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.