Home / 245,320.04-338,551.24-137,889.76

Finding the Fourth Proportional to 245,320.04, 338,551.24 and 137,889.76

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Solution

The fourth proportional to 245,320.04, 338,551.24 and 137,889.76 is: 190,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,320.04 : 338,551.24 = 137,889.76 : x
  2. Step 2: Convert to fraction form
    245,320.04/338,551.24 = 137,889.76/x
  3. Step 3: Cross multiply
    245,320.04x = 338,551.24 × 137,889.76
  4. Step 4: Simplify right side
    245,320.04x = 46,682,749,231.30
  5. Step 5: Solve for x
    x = 46,682,749,231.30/245,320.04
  6. Step 6: Final answer
    x = 190,293.26

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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.