Home / 199,602.20-275,497.29-131,631.45

Finding the Fourth Proportional to 199,602.20, 275,497.29 and 131,631.45

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Solution

The fourth proportional to 199,602.20, 275,497.29 and 131,631.45 is: 181,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,602.20 : 275,497.29 = 131,631.45 : x
  2. Step 2: Convert to fraction form
    199,602.20/275,497.29 = 131,631.45/x
  3. Step 3: Cross multiply
    199,602.20x = 275,497.29 × 131,631.45
  4. Step 4: Simplify right side
    199,602.20x = 36,264,107,753.77
  5. Step 5: Solve for x
    x = 36,264,107,753.77/199,602.20
  6. Step 6: Final answer
    x = 181,681.91

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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.