Home / 202,397.43-279,191.36-130,777.46

Finding the Fourth Proportional to 202,397.43, 279,191.36 and 130,777.46

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Solution

The fourth proportional to 202,397.43, 279,191.36 and 130,777.46 is: 180,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,397.43 : 279,191.36 = 130,777.46 : x
  2. Step 2: Convert to fraction form
    202,397.43/279,191.36 = 130,777.46/x
  3. Step 3: Cross multiply
    202,397.43x = 279,191.36 × 130,777.46
  4. Step 4: Simplify right side
    202,397.43x = 36,511,935,518.79
  5. Step 5: Solve for x
    x = 36,511,935,518.79/202,397.43
  6. Step 6: Final answer
    x = 180,397.23

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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.