Home / 175,724.79-263,695.47-69,090

Finding the Fourth Proportional to 175,724.79, 263,695.47 and 69,090

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Solution

The fourth proportional to 175,724.79, 263,695.47 and 69,090 is: 103,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,724.79 : 263,695.47 = 69,090 : x
  2. Step 2: Convert to fraction form
    175,724.79/263,695.47 = 69,090/x
  3. Step 3: Cross multiply
    175,724.79x = 263,695.47 × 69,090
  4. Step 4: Simplify right side
    175,724.79x = 18,218,720,022.30
  5. Step 5: Solve for x
    x = 18,218,720,022.30/175,724.79
  6. Step 6: Final answer
    x = 103,677.57

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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.