Home / 159,535.74-220,005.81-104,990.34

Finding the Fourth Proportional to 159,535.74, 220,005.81 and 104,990.34

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Solution

The fourth proportional to 159,535.74, 220,005.81 and 104,990.34 is: 144,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,535.74 : 220,005.81 = 104,990.34 : x
  2. Step 2: Convert to fraction form
    159,535.74/220,005.81 = 104,990.34/x
  3. Step 3: Cross multiply
    159,535.74x = 220,005.81 × 104,990.34
  4. Step 4: Simplify right side
    159,535.74x = 23,098,484,793.88
  5. Step 5: Solve for x
    x = 23,098,484,793.88/159,535.74
  6. Step 6: Final answer
    x = 144,785.64

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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.