Home / 216,867.29-299,241.15-136,237.71

Finding the Fourth Proportional to 216,867.29, 299,241.15 and 136,237.71

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Solution

The fourth proportional to 216,867.29, 299,241.15 and 136,237.71 is: 187,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,867.29 : 299,241.15 = 136,237.71 : x
  2. Step 2: Convert to fraction form
    216,867.29/299,241.15 = 136,237.71/x
  3. Step 3: Cross multiply
    216,867.29x = 299,241.15 × 136,237.71
  4. Step 4: Simplify right side
    216,867.29x = 40,767,930,135.92
  5. Step 5: Solve for x
    x = 40,767,930,135.92/216,867.29
  6. Step 6: Final answer
    x = 187,985.61

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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.