Home / 158,733.06-219,056.90-87,116.97

Finding the Fourth Proportional to 158,733.06, 219,056.90 and 87,116.97

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Solution

The fourth proportional to 158,733.06, 219,056.90 and 87,116.97 is: 120,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,733.06 : 219,056.90 = 87,116.97 : x
  2. Step 2: Convert to fraction form
    158,733.06/219,056.90 = 87,116.97/x
  3. Step 3: Cross multiply
    158,733.06x = 219,056.90 × 87,116.97
  4. Step 4: Simplify right side
    158,733.06x = 19,083,573,385.59
  5. Step 5: Solve for x
    x = 19,083,573,385.59/158,733.06
  6. Step 6: Final answer
    x = 120,224.31

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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.