Home / 149,979.42-206,837.46-124,445.16

Finding the Fourth Proportional to 149,979.42, 206,837.46 and 124,445.16

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Solution

The fourth proportional to 149,979.42, 206,837.46 and 124,445.16 is: 171,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,979.42 : 206,837.46 = 124,445.16 : x
  2. Step 2: Convert to fraction form
    149,979.42/206,837.46 = 124,445.16/x
  3. Step 3: Cross multiply
    149,979.42x = 206,837.46 × 124,445.16
  4. Step 4: Simplify right side
    149,979.42x = 25,739,920,803.69
  5. Step 5: Solve for x
    x = 25,739,920,803.69/149,979.42
  6. Step 6: Final answer
    x = 171,623.02

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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.