Home / 158,901.77-219,288.22-87,283.29

Finding the Fourth Proportional to 158,901.77, 219,288.22 and 87,283.29

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Solution

The fourth proportional to 158,901.77, 219,288.22 and 87,283.29 is: 120,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,901.77 : 219,288.22 = 87,283.29 : x
  2. Step 2: Convert to fraction form
    158,901.77/219,288.22 = 87,283.29/x
  3. Step 3: Cross multiply
    158,901.77x = 219,288.22 × 87,283.29
  4. Step 4: Simplify right side
    158,901.77x = 19,140,196,586.62
  5. Step 5: Solve for x
    x = 19,140,196,586.62/158,901.77
  6. Step 6: Final answer
    x = 120,453.01

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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.