Home / 122,529.56-169,125.71-71,554.23

Finding the Fourth Proportional to 122,529.56, 169,125.71 and 71,554.23

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Solution

The fourth proportional to 122,529.56, 169,125.71 and 71,554.23 is: 98,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,529.56 : 169,125.71 = 71,554.23 : x
  2. Step 2: Convert to fraction form
    122,529.56/169,125.71 = 71,554.23/x
  3. Step 3: Cross multiply
    122,529.56x = 169,125.71 × 71,554.23
  4. Step 4: Simplify right side
    122,529.56x = 12,101,659,594.48
  5. Step 5: Solve for x
    x = 12,101,659,594.48/122,529.56
  6. Step 6: Final answer
    x = 98,765.23

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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.