Home / 115,790.20-173,685.30-114,561.40

Finding the Fourth Proportional to 115,790.20, 173,685.30 and 114,561.40

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Solution

The fourth proportional to 115,790.20, 173,685.30 and 114,561.40 is: 171,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,790.20 : 173,685.30 = 114,561.40 : x
  2. Step 2: Convert to fraction form
    115,790.20/173,685.30 = 114,561.40/x
  3. Step 3: Cross multiply
    115,790.20x = 173,685.30 × 114,561.40
  4. Step 4: Simplify right side
    115,790.20x = 19,897,631,127.42
  5. Step 5: Solve for x
    x = 19,897,631,127.42/115,790.20
  6. Step 6: Final answer
    x = 171,842.10

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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.