Home / 163,690.27-245,666.62-84,827.05

Finding the Fourth Proportional to 163,690.27, 245,666.62 and 84,827.05

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Solution

The fourth proportional to 163,690.27, 245,666.62 and 84,827.05 is: 127,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,690.27 : 245,666.62 = 84,827.05 : x
  2. Step 2: Convert to fraction form
    163,690.27/245,666.62 = 84,827.05/x
  3. Step 3: Cross multiply
    163,690.27x = 245,666.62 × 84,827.05
  4. Step 4: Simplify right side
    163,690.27x = 20,839,174,149.94
  5. Step 5: Solve for x
    x = 20,839,174,149.94/163,690.27
  6. Step 6: Final answer
    x = 127,308.57

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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.