Home / 245,031.06-338,141.52-137,610.48

Finding the Fourth Proportional to 245,031.06, 338,141.52 and 137,610.48

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Solution

The fourth proportional to 245,031.06, 338,141.52 and 137,610.48 is: 189,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,031.06 : 338,141.52 = 137,610.48 : x
  2. Step 2: Convert to fraction form
    245,031.06/338,141.52 = 137,610.48/x
  3. Step 3: Cross multiply
    245,031.06x = 338,141.52 × 137,610.48
  4. Step 4: Simplify right side
    245,031.06x = 46,531,816,875.13
  5. Step 5: Solve for x
    x = 46,531,816,875.13/245,031.06
  6. Step 6: Final answer
    x = 189,901.71

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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.