Home / 163,053.12-225,008.61-99,367.68

Finding the Fourth Proportional to 163,053.12, 225,008.61 and 99,367.68

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Solution

The fourth proportional to 163,053.12, 225,008.61 and 99,367.68 is: 137,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,053.12 : 225,008.61 = 99,367.68 : x
  2. Step 2: Convert to fraction form
    163,053.12/225,008.61 = 99,367.68/x
  3. Step 3: Cross multiply
    163,053.12x = 225,008.61 × 99,367.68
  4. Step 4: Simplify right side
    163,053.12x = 22,358,583,555.72
  5. Step 5: Solve for x
    x = 22,358,583,555.72/163,053.12
  6. Step 6: Final answer
    x = 137,124.54

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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.