Home / 147,817.96-203,988.73-79,834.91

Finding the Fourth Proportional to 147,817.96, 203,988.73 and 79,834.91

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Solution

The fourth proportional to 147,817.96, 203,988.73 and 79,834.91 is: 110,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.96 : 203,988.73 = 79,834.91 : x
  2. Step 2: Convert to fraction form
    147,817.96/203,988.73 = 79,834.91/x
  3. Step 3: Cross multiply
    147,817.96x = 203,988.73 × 79,834.91
  4. Step 4: Simplify right side
    147,817.96x = 16,285,422,210.95
  5. Step 5: Solve for x
    x = 16,285,422,210.95/147,817.96
  6. Step 6: Final answer
    x = 110,172.15

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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.