Home / 245,147.24-338,266.36-137,696.69

Finding the Fourth Proportional to 245,147.24, 338,266.36 and 137,696.69

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Solution

The fourth proportional to 245,147.24, 338,266.36 and 137,696.69 is: 190,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,147.24 : 338,266.36 = 137,696.69 : x
  2. Step 2: Convert to fraction form
    245,147.24/338,266.36 = 137,696.69/x
  3. Step 3: Cross multiply
    245,147.24x = 338,266.36 × 137,696.69
  4. Step 4: Simplify right side
    245,147.24x = 46,578,156,419.02
  5. Step 5: Solve for x
    x = 46,578,156,419.02/245,147.24
  6. Step 6: Final answer
    x = 190,000.74

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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.