Home / 245,918.58-339,371.65-137,023.07

Finding the Fourth Proportional to 245,918.58, 339,371.65 and 137,023.07

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Solution

The fourth proportional to 245,918.58, 339,371.65 and 137,023.07 is: 189,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,918.58 : 339,371.65 = 137,023.07 : x
  2. Step 2: Convert to fraction form
    245,918.58/339,371.65 = 137,023.07/x
  3. Step 3: Cross multiply
    245,918.58x = 339,371.65 × 137,023.07
  4. Step 4: Simplify right side
    245,918.58x = 46,501,745,264.59
  5. Step 5: Solve for x
    x = 46,501,745,264.59/245,918.58
  6. Step 6: Final answer
    x = 189,094.07

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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.