Home / 236,176.74-354,188.34-78,362.82

Finding the Fourth Proportional to 236,176.74, 354,188.34 and 78,362.82

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Solution

The fourth proportional to 236,176.74, 354,188.34 and 78,362.82 is: 117,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,176.74 : 354,188.34 = 78,362.82 : x
  2. Step 2: Convert to fraction form
    236,176.74/354,188.34 = 78,362.82/x
  3. Step 3: Cross multiply
    236,176.74x = 354,188.34 × 78,362.82
  4. Step 4: Simplify right side
    236,176.74x = 27,755,197,133.52
  5. Step 5: Solve for x
    x = 27,755,197,133.52/236,176.74
  6. Step 6: Final answer
    x = 117,518.76

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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.