Home / 245,025.13-338,151.45-136,142.59

Finding the Fourth Proportional to 245,025.13, 338,151.45 and 136,142.59

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Solution

The fourth proportional to 245,025.13, 338,151.45 and 136,142.59 is: 187,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,025.13 : 338,151.45 = 136,142.59 : x
  2. Step 2: Convert to fraction form
    245,025.13/338,151.45 = 136,142.59/x
  3. Step 3: Cross multiply
    245,025.13x = 338,151.45 × 136,142.59
  4. Step 4: Simplify right side
    245,025.13x = 46,036,814,215.26
  5. Step 5: Solve for x
    x = 46,036,814,215.26/245,025.13
  6. Step 6: Final answer
    x = 187,886.09

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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.