Home / 163,426.23-225,006.80-139,456.71

Finding the Fourth Proportional to 163,426.23, 225,006.80 and 139,456.71

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Solution

The fourth proportional to 163,426.23, 225,006.80 and 139,456.71 is: 192,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,426.23 : 225,006.80 = 139,456.71 : x
  2. Step 2: Convert to fraction form
    163,426.23/225,006.80 = 139,456.71/x
  3. Step 3: Cross multiply
    163,426.23x = 225,006.80 × 139,456.71
  4. Step 4: Simplify right side
    163,426.23x = 31,378,707,358.34
  5. Step 5: Solve for x
    x = 31,378,707,358.34/163,426.23
  6. Step 6: Final answer
    x = 192,005.33

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1.5x scale

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.