Home / 216,161.61-298,308.05-135,592.53

Finding the Fourth Proportional to 216,161.61, 298,308.05 and 135,592.53

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Solution

The fourth proportional to 216,161.61, 298,308.05 and 135,592.53 is: 187,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,161.61 : 298,308.05 = 135,592.53 : x
  2. Step 2: Convert to fraction form
    216,161.61/298,308.05 = 135,592.53/x
  3. Step 3: Cross multiply
    216,161.61x = 298,308.05 × 135,592.53
  4. Step 4: Simplify right side
    216,161.61x = 40,448,343,218.87
  5. Step 5: Solve for x
    x = 40,448,343,218.87/216,161.61
  6. Step 6: Final answer
    x = 187,120.85

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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.