Home / 122,931.51-169,662.38-69,238.23

Finding the Fourth Proportional to 122,931.51, 169,662.38 and 69,238.23

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Solution

The fourth proportional to 122,931.51, 169,662.38 and 69,238.23 is: 95,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,931.51 : 169,662.38 = 69,238.23 : x
  2. Step 2: Convert to fraction form
    122,931.51/169,662.38 = 69,238.23/x
  3. Step 3: Cross multiply
    122,931.51x = 169,662.38 × 69,238.23
  4. Step 4: Simplify right side
    122,931.51x = 11,747,122,542.60
  5. Step 5: Solve for x
    x = 11,747,122,542.60/122,931.51
  6. Step 6: Final answer
    x = 95,558.27

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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.