Home / 216,160.61-298,306.67-135,591.53

Finding the Fourth Proportional to 216,160.61, 298,306.67 and 135,591.53

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Solution

The fourth proportional to 216,160.61, 298,306.67 and 135,591.53 is: 187,119.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,160.61 : 298,306.67 = 135,591.53 : x
  2. Step 2: Convert to fraction form
    216,160.61/298,306.67 = 135,591.53/x
  3. Step 3: Cross multiply
    216,160.61x = 298,306.67 × 135,591.53
  4. Step 4: Simplify right side
    216,160.61x = 40,447,855,625.01
  5. Step 5: Solve for x
    x = 40,447,855,625.01/216,160.61
  6. Step 6: Final answer
    x = 187,119.46

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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.