Home / 163,113.24-225,152.28-102,785.52

Finding the Fourth Proportional to 163,113.24, 225,152.28 and 102,785.52

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Solution

The fourth proportional to 163,113.24, 225,152.28 and 102,785.52 is: 141,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,113.24 : 225,152.28 = 102,785.52 : x
  2. Step 2: Convert to fraction form
    163,113.24/225,152.28 = 102,785.52/x
  3. Step 3: Cross multiply
    163,113.24x = 225,152.28 × 102,785.52
  4. Step 4: Simplify right side
    163,113.24x = 23,142,394,178.99
  5. Step 5: Solve for x
    x = 23,142,394,178.99/163,113.24
  6. Step 6: Final answer
    x = 141,879.31

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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.