Home / 146,680.20-202,411.71-90,080.64

Finding the Fourth Proportional to 146,680.20, 202,411.71 and 90,080.64

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Solution

The fourth proportional to 146,680.20, 202,411.71 and 90,080.64 is: 124,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,680.20 : 202,411.71 = 90,080.64 : x
  2. Step 2: Convert to fraction form
    146,680.20/202,411.71 = 90,080.64/x
  3. Step 3: Cross multiply
    146,680.20x = 202,411.71 × 90,080.64
  4. Step 4: Simplify right side
    146,680.20x = 18,233,376,380.29
  5. Step 5: Solve for x
    x = 18,233,376,380.29/146,680.20
  6. Step 6: Final answer
    x = 124,307.01

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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.