Home / 127,344.37-191,054.72-51,403.81

Finding the Fourth Proportional to 127,344.37, 191,054.72 and 51,403.81

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Solution

The fourth proportional to 127,344.37, 191,054.72 and 51,403.81 is: 77,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,344.37 : 191,054.72 = 51,403.81 : x
  2. Step 2: Convert to fraction form
    127,344.37/191,054.72 = 51,403.81/x
  3. Step 3: Cross multiply
    127,344.37x = 191,054.72 × 51,403.81
  4. Step 4: Simplify right side
    127,344.37x = 9,820,940,269.46
  5. Step 5: Solve for x
    x = 9,820,940,269.46/127,344.37
  6. Step 6: Final answer
    x = 77,121.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.