Home / 189,755.57-284,680.05-133,705.13

Finding the Fourth Proportional to 189,755.57, 284,680.05 and 133,705.13

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Solution

The fourth proportional to 189,755.57, 284,680.05 and 133,705.13 is: 200,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,755.57 : 284,680.05 = 133,705.13 : x
  2. Step 2: Convert to fraction form
    189,755.57/284,680.05 = 133,705.13/x
  3. Step 3: Cross multiply
    189,755.57x = 284,680.05 × 133,705.13
  4. Step 4: Simplify right side
    189,755.57x = 38,063,181,670.26
  5. Step 5: Solve for x
    x = 38,063,181,670.26/189,755.57
  6. Step 6: Final answer
    x = 200,590.59

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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.