Home / 135,340.95-186,855.21-86,962.38

Finding the Fourth Proportional to 135,340.95, 186,855.21 and 86,962.38

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Solution

The fourth proportional to 135,340.95, 186,855.21 and 86,962.38 is: 120,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,340.95 : 186,855.21 = 86,962.38 : x
  2. Step 2: Convert to fraction form
    135,340.95/186,855.21 = 86,962.38/x
  3. Step 3: Cross multiply
    135,340.95x = 186,855.21 × 86,962.38
  4. Step 4: Simplify right side
    135,340.95x = 16,249,373,777.00
  5. Step 5: Solve for x
    x = 16,249,373,777.00/135,340.95
  6. Step 6: Final answer
    x = 120,062.51

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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.