Home / 155,461.20-214,530.28-91,819.44

Finding the Fourth Proportional to 155,461.20, 214,530.28 and 91,819.44

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Solution

The fourth proportional to 155,461.20, 214,530.28 and 91,819.44 is: 126,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,461.20 : 214,530.28 = 91,819.44 : x
  2. Step 2: Convert to fraction form
    155,461.20/214,530.28 = 91,819.44/x
  3. Step 3: Cross multiply
    155,461.20x = 214,530.28 × 91,819.44
  4. Step 4: Simplify right side
    155,461.20x = 19,698,050,172.64
  5. Step 5: Solve for x
    x = 19,698,050,172.64/155,461.20
  6. Step 6: Final answer
    x = 126,707.18

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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.