Home / 158,775.28-219,120.96-104,966.80

Finding the Fourth Proportional to 158,775.28, 219,120.96 and 104,966.80

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Solution

The fourth proportional to 158,775.28, 219,120.96 and 104,966.80 is: 144,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,775.28 : 219,120.96 = 104,966.80 : x
  2. Step 2: Convert to fraction form
    158,775.28/219,120.96 = 104,966.80/x
  3. Step 3: Cross multiply
    158,775.28x = 219,120.96 × 104,966.80
  4. Step 4: Simplify right side
    158,775.28x = 23,000,425,984.13
  5. Step 5: Solve for x
    x = 23,000,425,984.13/158,775.28
  6. Step 6: Final answer
    x = 144,861.50

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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.