Home / 245,275.70-338,464.98-137,844.18

Finding the Fourth Proportional to 245,275.70, 338,464.98 and 137,844.18

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Solution

The fourth proportional to 245,275.70, 338,464.98 and 137,844.18 is: 190,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,275.70 : 338,464.98 = 137,844.18 : x
  2. Step 2: Convert to fraction form
    245,275.70/338,464.98 = 137,844.18/x
  3. Step 3: Cross multiply
    245,275.70x = 338,464.98 × 137,844.18
  4. Step 4: Simplify right side
    245,275.70x = 46,655,427,626.82
  5. Step 5: Solve for x
    x = 46,655,427,626.82/245,275.70
  6. Step 6: Final answer
    x = 190,216.27

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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.