Home / 122,186.18-168,608.41-67,737.81

Finding the Fourth Proportional to 122,186.18, 168,608.41 and 67,737.81

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Solution

The fourth proportional to 122,186.18, 168,608.41 and 67,737.81 is: 93,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,186.18 : 168,608.41 = 67,737.81 : x
  2. Step 2: Convert to fraction form
    122,186.18/168,608.41 = 67,737.81/x
  3. Step 3: Cross multiply
    122,186.18x = 168,608.41 × 67,737.81
  4. Step 4: Simplify right side
    122,186.18x = 11,421,164,440.98
  5. Step 5: Solve for x
    x = 11,421,164,440.98/122,186.18
  6. Step 6: Final answer
    x = 93,473.46

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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.