Home / 245,108.31-338,257.68-136,217.24

Finding the Fourth Proportional to 245,108.31, 338,257.68 and 136,217.24

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Solution

The fourth proportional to 245,108.31, 338,257.68 and 136,217.24 is: 187,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,108.31 : 338,257.68 = 136,217.24 : x
  2. Step 2: Convert to fraction form
    245,108.31/338,257.68 = 136,217.24/x
  3. Step 3: Cross multiply
    245,108.31x = 338,257.68 × 136,217.24
  4. Step 4: Simplify right side
    245,108.31x = 46,076,525,887.11
  5. Step 5: Solve for x
    x = 46,076,525,887.11/245,108.31
  6. Step 6: Final answer
    x = 187,984.35

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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.