Home / 114,869.92-158,521-63,887.28

Finding the Fourth Proportional to 114,869.92, 158,521 and 63,887.28

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Solution

The fourth proportional to 114,869.92, 158,521 and 63,887.28 is: 88,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,869.92 : 158,521 = 63,887.28 : x
  2. Step 2: Convert to fraction form
    114,869.92/158,521 = 63,887.28/x
  3. Step 3: Cross multiply
    114,869.92x = 158,521 × 63,887.28
  4. Step 4: Simplify right side
    114,869.92x = 10,127,475,512.88
  5. Step 5: Solve for x
    x = 10,127,475,512.88/114,869.92
  6. Step 6: Final answer
    x = 88,164.73

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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.