Home / 135,184.72-202,952.37-90,492.01

Finding the Fourth Proportional to 135,184.72, 202,952.37 and 90,492.01

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Solution

The fourth proportional to 135,184.72, 202,952.37 and 90,492.01 is: 135,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,184.72 : 202,952.37 = 90,492.01 : x
  2. Step 2: Convert to fraction form
    135,184.72/202,952.37 = 90,492.01/x
  3. Step 3: Cross multiply
    135,184.72x = 202,952.37 × 90,492.01
  4. Step 4: Simplify right side
    135,184.72x = 18,365,566,880.80
  5. Step 5: Solve for x
    x = 18,365,566,880.80/135,184.72
  6. Step 6: Final answer
    x = 135,855.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.