Home / 196,880.07-295,363.84-72,221.07

Finding the Fourth Proportional to 196,880.07, 295,363.84 and 72,221.07

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Solution

The fourth proportional to 196,880.07, 295,363.84 and 72,221.07 is: 108,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,880.07 : 295,363.84 = 72,221.07 : x
  2. Step 2: Convert to fraction form
    196,880.07/295,363.84 = 72,221.07/x
  3. Step 3: Cross multiply
    196,880.07x = 295,363.84 × 72,221.07
  4. Step 4: Simplify right side
    196,880.07x = 21,331,490,726.18
  5. Step 5: Solve for x
    x = 21,331,490,726.18/196,880.07
  6. Step 6: Final answer
    x = 108,347.64

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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.