Home / 163,572.63-225,733.87-99,945.51

Finding the Fourth Proportional to 163,572.63, 225,733.87 and 99,945.51

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Solution

The fourth proportional to 163,572.63, 225,733.87 and 99,945.51 is: 137,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,572.63 : 225,733.87 = 99,945.51 : x
  2. Step 2: Convert to fraction form
    163,572.63/225,733.87 = 99,945.51/x
  3. Step 3: Cross multiply
    163,572.63x = 225,733.87 × 99,945.51
  4. Step 4: Simplify right side
    163,572.63x = 22,561,086,761.42
  5. Step 5: Solve for x
    x = 22,561,086,761.42/163,572.63
  6. Step 6: Final answer
    x = 137,927.03

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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.