Home / 163,288.53-225,336.18-91,666.71

Finding the Fourth Proportional to 163,288.53, 225,336.18 and 91,666.71

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Solution

The fourth proportional to 163,288.53, 225,336.18 and 91,666.71 is: 126,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,288.53 : 225,336.18 = 91,666.71 : x
  2. Step 2: Convert to fraction form
    163,288.53/225,336.18 = 91,666.71/x
  3. Step 3: Cross multiply
    163,288.53x = 225,336.18 × 91,666.71
  4. Step 4: Simplify right side
    163,288.53x = 20,655,826,264.57
  5. Step 5: Solve for x
    x = 20,655,826,264.57/163,288.53
  6. Step 6: Final answer
    x = 126,498.94

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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.