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Finding the Fourth Proportional to 161,692.59, 242,704.40 and 133,522.89

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Solution

The fourth proportional to 161,692.59, 242,704.40 and 133,522.89 is: 200,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,692.59 : 242,704.40 = 133,522.89 : x
  2. Step 2: Convert to fraction form
    161,692.59/242,704.40 = 133,522.89/x
  3. Step 3: Cross multiply
    161,692.59x = 242,704.40 × 133,522.89
  4. Step 4: Simplify right side
    161,692.59x = 32,406,592,903.72
  5. Step 5: Solve for x
    x = 32,406,592,903.72/161,692.59
  6. Step 6: Final answer
    x = 200,421.01

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1.5x scale

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.