Home / 123,981.03-171,094.95-67,392.54

Finding the Fourth Proportional to 123,981.03, 171,094.95 and 67,392.54

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Solution

The fourth proportional to 123,981.03, 171,094.95 and 67,392.54 is: 93,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,981.03 : 171,094.95 = 67,392.54 : x
  2. Step 2: Convert to fraction form
    123,981.03/171,094.95 = 67,392.54/x
  3. Step 3: Cross multiply
    123,981.03x = 171,094.95 × 67,392.54
  4. Step 4: Simplify right side
    123,981.03x = 11,530,523,261.67
  5. Step 5: Solve for x
    x = 11,530,523,261.67/123,981.03
  6. Step 6: Final answer
    x = 93,002.32

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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.