Home / 143,887.56-198,828.88-136,973.94

Finding the Fourth Proportional to 143,887.56, 198,828.88 and 136,973.94

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Solution

The fourth proportional to 143,887.56, 198,828.88 and 136,973.94 is: 189,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,887.56 : 198,828.88 = 136,973.94 : x
  2. Step 2: Convert to fraction form
    143,887.56/198,828.88 = 136,973.94/x
  3. Step 3: Cross multiply
    143,887.56x = 198,828.88 × 136,973.94
  4. Step 4: Simplify right side
    143,887.56x = 27,234,375,079.39
  5. Step 5: Solve for x
    x = 27,234,375,079.39/143,887.56
  6. Step 6: Final answer
    x = 189,275.40

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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.