Home / 245,030.06-338,140.14-137,609.48

Finding the Fourth Proportional to 245,030.06, 338,140.14 and 137,609.48

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Solution

The fourth proportional to 245,030.06, 338,140.14 and 137,609.48 is: 189,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,030.06 : 338,140.14 = 137,609.48 : x
  2. Step 2: Convert to fraction form
    245,030.06/338,140.14 = 137,609.48/x
  3. Step 3: Cross multiply
    245,030.06x = 338,140.14 × 137,609.48
  4. Step 4: Simplify right side
    245,030.06x = 46,531,288,832.53
  5. Step 5: Solve for x
    x = 46,531,288,832.53/245,030.06
  6. Step 6: Final answer
    x = 189,900.33

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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.