Home / 122,825.23-169,502.13-69,112.16

Finding the Fourth Proportional to 122,825.23, 169,502.13 and 69,112.16

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Solution

The fourth proportional to 122,825.23, 169,502.13 and 69,112.16 is: 95,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,825.23 : 169,502.13 = 69,112.16 : x
  2. Step 2: Convert to fraction form
    122,825.23/169,502.13 = 69,112.16/x
  3. Step 3: Cross multiply
    122,825.23x = 169,502.13 × 69,112.16
  4. Step 4: Simplify right side
    122,825.23x = 11,714,658,328.90
  5. Step 5: Solve for x
    x = 11,714,658,328.90/122,825.23
  6. Step 6: Final answer
    x = 95,376.64

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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.