Home / 245,008.14-338,146.20-137,585.52

Finding the Fourth Proportional to 245,008.14, 338,146.20 and 137,585.52

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Solution

The fourth proportional to 245,008.14, 338,146.20 and 137,585.52 is: 189,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,008.14 : 338,146.20 = 137,585.52 : x
  2. Step 2: Convert to fraction form
    245,008.14/338,146.20 = 137,585.52/x
  3. Step 3: Cross multiply
    245,008.14x = 338,146.20 × 137,585.52
  4. Step 4: Simplify right side
    245,008.14x = 46,524,020,763.02
  5. Step 5: Solve for x
    x = 46,524,020,763.02/245,008.14
  6. Step 6: Final answer
    x = 189,887.65

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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.