Home / 245,091.47-338,225.37-136,195.34

Finding the Fourth Proportional to 245,091.47, 338,225.37 and 136,195.34

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Solution

The fourth proportional to 245,091.47, 338,225.37 and 136,195.34 is: 187,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,091.47 : 338,225.37 = 136,195.34 : x
  2. Step 2: Convert to fraction form
    245,091.47/338,225.37 = 136,195.34/x
  3. Step 3: Cross multiply
    245,091.47x = 338,225.37 × 136,195.34
  4. Step 4: Simplify right side
    245,091.47x = 46,064,720,109.34
  5. Step 5: Solve for x
    x = 46,064,720,109.34/245,091.47
  6. Step 6: Final answer
    x = 187,949.10

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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.