Home / 201,625.83-302,439.59-81,685.11

Finding the Fourth Proportional to 201,625.83, 302,439.59 and 81,685.11

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Solution

The fourth proportional to 201,625.83, 302,439.59 and 81,685.11 is: 122,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,625.83 : 302,439.59 = 81,685.11 : x
  2. Step 2: Convert to fraction form
    201,625.83/302,439.59 = 81,685.11/x
  3. Step 3: Cross multiply
    201,625.83x = 302,439.59 × 81,685.11
  4. Step 4: Simplify right side
    201,625.83x = 24,704,811,177.50
  5. Step 5: Solve for x
    x = 24,704,811,177.50/201,625.83
  6. Step 6: Final answer
    x = 122,528.01

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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.