Home / 163,919.20-245,833.80-103,857.52

Finding the Fourth Proportional to 163,919.20, 245,833.80 and 103,857.52

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Solution

The fourth proportional to 163,919.20, 245,833.80 and 103,857.52 is: 155,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,919.20 : 245,833.80 = 103,857.52 : x
  2. Step 2: Convert to fraction form
    163,919.20/245,833.80 = 103,857.52/x
  3. Step 3: Cross multiply
    163,919.20x = 245,833.80 × 103,857.52
  4. Step 4: Simplify right side
    163,919.20x = 25,531,688,800.18
  5. Step 5: Solve for x
    x = 25,531,688,800.18/163,919.20
  6. Step 6: Final answer
    x = 155,757.77

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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.