Home / 134,309.88-185,353.92-77,710.32

Finding the Fourth Proportional to 134,309.88, 185,353.92 and 77,710.32

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Solution

The fourth proportional to 134,309.88, 185,353.92 and 77,710.32 is: 107,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,309.88 : 185,353.92 = 77,710.32 : x
  2. Step 2: Convert to fraction form
    134,309.88/185,353.92 = 77,710.32/x
  3. Step 3: Cross multiply
    134,309.88x = 185,353.92 × 77,710.32
  4. Step 4: Simplify right side
    134,309.88x = 14,403,912,436.45
  5. Step 5: Solve for x
    x = 14,403,912,436.45/134,309.88
  6. Step 6: Final answer
    x = 107,243.88

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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.