Home / 228,335.86-315,166.89-132,861.07

Finding the Fourth Proportional to 228,335.86, 315,166.89 and 132,861.07

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Solution

The fourth proportional to 228,335.86, 315,166.89 and 132,861.07 is: 183,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,335.86 : 315,166.89 = 132,861.07 : x
  2. Step 2: Convert to fraction form
    228,335.86/315,166.89 = 132,861.07/x
  3. Step 3: Cross multiply
    228,335.86x = 315,166.89 × 132,861.07
  4. Step 4: Simplify right side
    228,335.86x = 41,873,410,233.97
  5. Step 5: Solve for x
    x = 41,873,410,233.97/228,335.86
  6. Step 6: Final answer
    x = 183,385.17

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1.5x scale

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.