Home / 445,583.52-668,364.21-130,043.16

Finding the Fourth Proportional to 445,583.52, 668,364.21 and 130,043.16

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Solution

The fourth proportional to 445,583.52, 668,364.21 and 130,043.16 is: 195,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,583.52 : 668,364.21 = 130,043.16 : x
  2. Step 2: Convert to fraction form
    445,583.52/668,364.21 = 130,043.16/x
  3. Step 3: Cross multiply
    445,583.52x = 668,364.21 × 130,043.16
  4. Step 4: Simplify right side
    445,583.52x = 86,916,193,899.30
  5. Step 5: Solve for x
    x = 86,916,193,899.30/445,583.52
  6. Step 6: Final answer
    x = 195,061.51

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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.