Home / 134,397.06-185,467.77-83,390.82

Finding the Fourth Proportional to 134,397.06, 185,467.77 and 83,390.82

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Solution

The fourth proportional to 134,397.06, 185,467.77 and 83,390.82 is: 115,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,397.06 : 185,467.77 = 83,390.82 : x
  2. Step 2: Convert to fraction form
    134,397.06/185,467.77 = 83,390.82/x
  3. Step 3: Cross multiply
    134,397.06x = 185,467.77 × 83,390.82
  4. Step 4: Simplify right side
    134,397.06x = 15,466,309,423.87
  5. Step 5: Solve for x
    x = 15,466,309,423.87/134,397.06
  6. Step 6: Final answer
    x = 115,079.22

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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.