Home / 245,632.17-338,975.51-138,202.41

Finding the Fourth Proportional to 245,632.17, 338,975.51 and 138,202.41

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Solution

The fourth proportional to 245,632.17, 338,975.51 and 138,202.41 is: 190,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,632.17 : 338,975.51 = 138,202.41 : x
  2. Step 2: Convert to fraction form
    245,632.17/338,975.51 = 138,202.41/x
  3. Step 3: Cross multiply
    245,632.17x = 338,975.51 × 138,202.41
  4. Step 4: Simplify right side
    245,632.17x = 46,847,232,758.49
  5. Step 5: Solve for x
    x = 46,847,232,758.49/245,632.17
  6. Step 6: Final answer
    x = 190,721.08

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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.