Home / 445,586.32-668,402.16-130,067.02

Finding the Fourth Proportional to 445,586.32, 668,402.16 and 130,067.02

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Solution

The fourth proportional to 445,586.32, 668,402.16 and 130,067.02 is: 195,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,586.32 : 668,402.16 = 130,067.02 : x
  2. Step 2: Convert to fraction form
    445,586.32/668,402.16 = 130,067.02/x
  3. Step 3: Cross multiply
    445,586.32x = 668,402.16 × 130,067.02
  4. Step 4: Simplify right side
    445,586.32x = 86,937,077,112.76
  5. Step 5: Solve for x
    x = 86,937,077,112.76/445,586.32
  6. Step 6: Final answer
    x = 195,107.15

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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.