Home / 127,203.05-175,572.03-73,521.77

Finding the Fourth Proportional to 127,203.05, 175,572.03 and 73,521.77

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Solution

The fourth proportional to 127,203.05, 175,572.03 and 73,521.77 is: 101,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,203.05 : 175,572.03 = 73,521.77 : x
  2. Step 2: Convert to fraction form
    127,203.05/175,572.03 = 73,521.77/x
  3. Step 3: Cross multiply
    127,203.05x = 175,572.03 × 73,521.77
  4. Step 4: Simplify right side
    127,203.05x = 12,908,365,530.23
  5. Step 5: Solve for x
    x = 12,908,365,530.23/127,203.05
  6. Step 6: Final answer
    x = 101,478.43

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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.