Home / 117,888.43-162,686.05-64,173.85

Finding the Fourth Proportional to 117,888.43, 162,686.05 and 64,173.85

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Solution

The fourth proportional to 117,888.43, 162,686.05 and 64,173.85 is: 88,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.43 : 162,686.05 = 64,173.85 : x
  2. Step 2: Convert to fraction form
    117,888.43/162,686.05 = 64,173.85/x
  3. Step 3: Cross multiply
    117,888.43x = 162,686.05 × 64,173.85
  4. Step 4: Simplify right side
    117,888.43x = 10,440,190,212.72
  5. Step 5: Solve for x
    x = 10,440,190,212.72/117,888.43
  6. Step 6: Final answer
    x = 88,559.92

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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.