Home / 122,123.25-168,527.07-68,407.92

Finding the Fourth Proportional to 122,123.25, 168,527.07 and 68,407.92

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Solution

The fourth proportional to 122,123.25, 168,527.07 and 68,407.92 is: 94,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,123.25 : 168,527.07 = 68,407.92 : x
  2. Step 2: Convert to fraction form
    122,123.25/168,527.07 = 68,407.92/x
  3. Step 3: Cross multiply
    122,123.25x = 168,527.07 × 68,407.92
  4. Step 4: Simplify right side
    122,123.25x = 11,528,586,322.39
  5. Step 5: Solve for x
    x = 11,528,586,322.39/122,123.25
  6. Step 6: Final answer
    x = 94,401.24

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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.