Home / 122,938.60-169,664.34-69,229.48

Finding the Fourth Proportional to 122,938.60, 169,664.34 and 69,229.48

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Solution

The fourth proportional to 122,938.60, 169,664.34 and 69,229.48 is: 95,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,938.60 : 169,664.34 = 69,229.48 : x
  2. Step 2: Convert to fraction form
    122,938.60/169,664.34 = 69,229.48/x
  3. Step 3: Cross multiply
    122,938.60x = 169,664.34 × 69,229.48
  4. Step 4: Simplify right side
    122,938.60x = 11,745,774,032.74
  5. Step 5: Solve for x
    x = 11,745,774,032.74/122,938.60
  6. Step 6: Final answer
    x = 95,541.79

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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.