Home / 112,922.40-169,383.60-60,304.80

Finding the Fourth Proportional to 112,922.40, 169,383.60 and 60,304.80

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Solution

The fourth proportional to 112,922.40, 169,383.60 and 60,304.80 is: 90,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,922.40 : 169,383.60 = 60,304.80 : x
  2. Step 2: Convert to fraction form
    112,922.40/169,383.60 = 60,304.80/x
  3. Step 3: Cross multiply
    112,922.40x = 169,383.60 × 60,304.80
  4. Step 4: Simplify right side
    112,922.40x = 10,214,644,121.28
  5. Step 5: Solve for x
    x = 10,214,644,121.28/112,922.40
  6. Step 6: Final answer
    x = 90,457.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.