Home / 115,953.89-160,047.84-68,222.61

Finding the Fourth Proportional to 115,953.89, 160,047.84 and 68,222.61

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Solution

The fourth proportional to 115,953.89, 160,047.84 and 68,222.61 is: 94,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,953.89 : 160,047.84 = 68,222.61 : x
  2. Step 2: Convert to fraction form
    115,953.89/160,047.84 = 68,222.61/x
  3. Step 3: Cross multiply
    115,953.89x = 160,047.84 × 68,222.61
  4. Step 4: Simplify right side
    115,953.89x = 10,918,881,369.66
  5. Step 5: Solve for x
    x = 10,918,881,369.66/115,953.89
  6. Step 6: Final answer
    x = 94,165.72

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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.