Home / 151,838.46-209,521.17-88,163.82

Finding the Fourth Proportional to 151,838.46, 209,521.17 and 88,163.82

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Solution

The fourth proportional to 151,838.46, 209,521.17 and 88,163.82 is: 121,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,838.46 : 209,521.17 = 88,163.82 : x
  2. Step 2: Convert to fraction form
    151,838.46/209,521.17 = 88,163.82/x
  3. Step 3: Cross multiply
    151,838.46x = 209,521.17 × 88,163.82
  4. Step 4: Simplify right side
    151,838.46x = 18,472,186,718.07
  5. Step 5: Solve for x
    x = 18,472,186,718.07/151,838.46
  6. Step 6: Final answer
    x = 121,656.84

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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.