Home / 147,578.55-221,367.82-140,407.92

Finding the Fourth Proportional to 147,578.55, 221,367.82 and 140,407.92

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Solution

The fourth proportional to 147,578.55, 221,367.82 and 140,407.92 is: 210,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,578.55 : 221,367.82 = 140,407.92 : x
  2. Step 2: Convert to fraction form
    147,578.55/221,367.82 = 140,407.92/x
  3. Step 3: Cross multiply
    147,578.55x = 221,367.82 × 140,407.92
  4. Step 4: Simplify right side
    147,578.55x = 31,081,796,166.77
  5. Step 5: Solve for x
    x = 31,081,796,166.77/147,578.55
  6. Step 6: Final answer
    x = 210,611.88

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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.