Home / 220,266.07-303,948.29-122,152.46

Finding the Fourth Proportional to 220,266.07, 303,948.29 and 122,152.46

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Solution

The fourth proportional to 220,266.07, 303,948.29 and 122,152.46 is: 168,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,266.07 : 303,948.29 = 122,152.46 : x
  2. Step 2: Convert to fraction form
    220,266.07/303,948.29 = 122,152.46/x
  3. Step 3: Cross multiply
    220,266.07x = 303,948.29 × 122,152.46
  4. Step 4: Simplify right side
    220,266.07x = 37,128,030,121.93
  5. Step 5: Solve for x
    x = 37,128,030,121.93/220,266.07
  6. Step 6: Final answer
    x = 168,559.92

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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.