Home / 151,233.70-208,690.14-87,575.62

Finding the Fourth Proportional to 151,233.70, 208,690.14 and 87,575.62

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Solution

The fourth proportional to 151,233.70, 208,690.14 and 87,575.62 is: 120,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,233.70 : 208,690.14 = 87,575.62 : x
  2. Step 2: Convert to fraction form
    151,233.70/208,690.14 = 87,575.62/x
  3. Step 3: Cross multiply
    151,233.70x = 208,690.14 × 87,575.62
  4. Step 4: Simplify right side
    151,233.70x = 18,276,168,398.39
  5. Step 5: Solve for x
    x = 18,276,168,398.39/151,233.70
  6. Step 6: Final answer
    x = 120,847.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.