Home / 147,034.20-219,968.10-127,529.40

Finding the Fourth Proportional to 147,034.20, 219,968.10 and 127,529.40

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Solution

The fourth proportional to 147,034.20, 219,968.10 and 127,529.40 is: 190,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,034.20 : 219,968.10 = 127,529.40 : x
  2. Step 2: Convert to fraction form
    147,034.20/219,968.10 = 127,529.40/x
  3. Step 3: Cross multiply
    147,034.20x = 219,968.10 × 127,529.40
  4. Step 4: Simplify right side
    147,034.20x = 28,052,399,812.14
  5. Step 5: Solve for x
    x = 28,052,399,812.14/147,034.20
  6. Step 6: Final answer
    x = 190,788.26

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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.