Home / 134,339.16-185,388.03-73,908.51

Finding the Fourth Proportional to 134,339.16, 185,388.03 and 73,908.51

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Solution

The fourth proportional to 134,339.16, 185,388.03 and 73,908.51 is: 101,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,339.16 : 185,388.03 = 73,908.51 : x
  2. Step 2: Convert to fraction form
    134,339.16/185,388.03 = 73,908.51/x
  3. Step 3: Cross multiply
    134,339.16x = 185,388.03 × 73,908.51
  4. Step 4: Simplify right side
    134,339.16x = 13,701,753,069.14
  5. Step 5: Solve for x
    x = 13,701,753,069.14/134,339.16
  6. Step 6: Final answer
    x = 101,993.74

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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.