Home / 123,740.73-170,762.67-67,152.11

Finding the Fourth Proportional to 123,740.73, 170,762.67 and 67,152.11

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Solution

The fourth proportional to 123,740.73, 170,762.67 and 67,152.11 is: 92,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.73 : 170,762.67 = 67,152.11 : x
  2. Step 2: Convert to fraction form
    123,740.73/170,762.67 = 67,152.11/x
  3. Step 3: Cross multiply
    123,740.73x = 170,762.67 × 67,152.11
  4. Step 4: Simplify right side
    123,740.73x = 11,467,072,745.92
  5. Step 5: Solve for x
    x = 11,467,072,745.92/123,740.73
  6. Step 6: Final answer
    x = 92,670.16

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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.