Home / 216,140.82-298,337.68-125,537.51

Finding the Fourth Proportional to 216,140.82, 298,337.68 and 125,537.51

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Solution

The fourth proportional to 216,140.82, 298,337.68 and 125,537.51 is: 173,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,140.82 : 298,337.68 = 125,537.51 : x
  2. Step 2: Convert to fraction form
    216,140.82/298,337.68 = 125,537.51/x
  3. Step 3: Cross multiply
    216,140.82x = 298,337.68 × 125,537.51
  4. Step 4: Simplify right side
    216,140.82x = 37,452,569,918.38
  5. Step 5: Solve for x
    x = 37,452,569,918.38/216,140.82
  6. Step 6: Final answer
    x = 173,278.56

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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.