Home / 276,786.36-415,160.10-158,085.72

Finding the Fourth Proportional to 276,786.36, 415,160.10 and 158,085.72

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Solution

The fourth proportional to 276,786.36, 415,160.10 and 158,085.72 is: 237,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,786.36 : 415,160.10 = 158,085.72 : x
  2. Step 2: Convert to fraction form
    276,786.36/415,160.10 = 158,085.72/x
  3. Step 3: Cross multiply
    276,786.36x = 415,160.10 × 158,085.72
  4. Step 4: Simplify right side
    276,786.36x = 65,630,883,323.77
  5. Step 5: Solve for x
    x = 65,630,883,323.77/276,786.36
  6. Step 6: Final answer
    x = 237,117.48

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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.