Home / 205,977.06-309,009.71-63,819.19

Finding the Fourth Proportional to 205,977.06, 309,009.71 and 63,819.19

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Solution

The fourth proportional to 205,977.06, 309,009.71 and 63,819.19 is: 95,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,977.06 : 309,009.71 = 63,819.19 : x
  2. Step 2: Convert to fraction form
    205,977.06/309,009.71 = 63,819.19/x
  3. Step 3: Cross multiply
    205,977.06x = 309,009.71 × 63,819.19
  4. Step 4: Simplify right side
    205,977.06x = 19,720,748,302.71
  5. Step 5: Solve for x
    x = 19,720,748,302.71/205,977.06
  6. Step 6: Final answer
    x = 95,742.45

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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.