Home / 151,005.20-226,572.60-77,133.20

Finding the Fourth Proportional to 151,005.20, 226,572.60 and 77,133.20

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Solution

The fourth proportional to 151,005.20, 226,572.60 and 77,133.20 is: 115,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.20 : 226,572.60 = 77,133.20 : x
  2. Step 2: Convert to fraction form
    151,005.20/226,572.60 = 77,133.20/x
  3. Step 3: Cross multiply
    151,005.20x = 226,572.60 × 77,133.20
  4. Step 4: Simplify right side
    151,005.20x = 17,476,269,670.32
  5. Step 5: Solve for x
    x = 17,476,269,670.32/151,005.20
  6. Step 6: Final answer
    x = 115,732.90

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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.