Home / 122,842.48-169,521.24-69,127.60

Finding the Fourth Proportional to 122,842.48, 169,521.24 and 69,127.60

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Solution

The fourth proportional to 122,842.48, 169,521.24 and 69,127.60 is: 95,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,842.48 : 169,521.24 = 69,127.60 : x
  2. Step 2: Convert to fraction form
    122,842.48/169,521.24 = 69,127.60/x
  3. Step 3: Cross multiply
    122,842.48x = 169,521.24 × 69,127.60
  4. Step 4: Simplify right side
    122,842.48x = 11,718,596,470.22
  5. Step 5: Solve for x
    x = 11,718,596,470.22/122,842.48
  6. Step 6: Final answer
    x = 95,395.31

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1.5x scale

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.