Home / 161,502.26-242,201.72-53,411.55

Finding the Fourth Proportional to 161,502.26, 242,201.72 and 53,411.55

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Solution

The fourth proportional to 161,502.26, 242,201.72 and 53,411.55 is: 80,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,502.26 : 242,201.72 = 53,411.55 : x
  2. Step 2: Convert to fraction form
    161,502.26/242,201.72 = 53,411.55/x
  3. Step 3: Cross multiply
    161,502.26x = 242,201.72 × 53,411.55
  4. Step 4: Simplify right side
    161,502.26x = 12,936,368,503.14
  5. Step 5: Solve for x
    x = 12,936,368,503.14/161,502.26
  6. Step 6: Final answer
    x = 80,100.23

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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.