Home / 122,568.21-169,151.36-92,300.13

Finding the Fourth Proportional to 122,568.21, 169,151.36 and 92,300.13

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Solution

The fourth proportional to 122,568.21, 169,151.36 and 92,300.13 is: 127,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568.21 : 169,151.36 = 92,300.13 : x
  2. Step 2: Convert to fraction form
    122,568.21/169,151.36 = 92,300.13/x
  3. Step 3: Cross multiply
    122,568.21x = 169,151.36 × 92,300.13
  4. Step 4: Simplify right side
    122,568.21x = 15,612,692,056.18
  5. Step 5: Solve for x
    x = 15,612,692,056.18/122,568.21
  6. Step 6: Final answer
    x = 127,379.62

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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.