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Finding the Fourth Proportional to 161,884.40, 242,826.60 and 135,640.40

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Solution

The fourth proportional to 161,884.40, 242,826.60 and 135,640.40 is: 203,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884.40 : 242,826.60 = 135,640.40 : x
  2. Step 2: Convert to fraction form
    161,884.40/242,826.60 = 135,640.40/x
  3. Step 3: Cross multiply
    161,884.40x = 242,826.60 × 135,640.40
  4. Step 4: Simplify right side
    161,884.40x = 32,937,097,154.64
  5. Step 5: Solve for x
    x = 32,937,097,154.64/161,884.40
  6. Step 6: Final answer
    x = 203,460.60

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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.