Home / 216,877.08-299,301.82-136,274.78

Finding the Fourth Proportional to 216,877.08, 299,301.82 and 136,274.78

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Solution

The fourth proportional to 216,877.08, 299,301.82 and 136,274.78 is: 188,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,877.08 : 299,301.82 = 136,274.78 : x
  2. Step 2: Convert to fraction form
    216,877.08/299,301.82 = 136,274.78/x
  3. Step 3: Cross multiply
    216,877.08x = 299,301.82 × 136,274.78
  4. Step 4: Simplify right side
    216,877.08x = 40,787,289,674.10
  5. Step 5: Solve for x
    x = 40,787,289,674.10/216,877.08
  6. Step 6: Final answer
    x = 188,066.39

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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.