Home / 147,619.28-221,385.58-67,611.96

Finding the Fourth Proportional to 147,619.28, 221,385.58 and 67,611.96

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Solution

The fourth proportional to 147,619.28, 221,385.58 and 67,611.96 is: 101,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619.28 : 221,385.58 = 67,611.96 : x
  2. Step 2: Convert to fraction form
    147,619.28/221,385.58 = 67,611.96/x
  3. Step 3: Cross multiply
    147,619.28x = 221,385.58 × 67,611.96
  4. Step 4: Simplify right side
    147,619.28x = 14,968,312,979.54
  5. Step 5: Solve for x
    x = 14,968,312,979.54/147,619.28
  6. Step 6: Final answer
    x = 101,398.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.