Home / 137,727.04-190,067.10-77,301.44

Finding the Fourth Proportional to 137,727.04, 190,067.10 and 77,301.44

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Solution

The fourth proportional to 137,727.04, 190,067.10 and 77,301.44 is: 106,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,727.04 : 190,067.10 = 77,301.44 : x
  2. Step 2: Convert to fraction form
    137,727.04/190,067.10 = 77,301.44/x
  3. Step 3: Cross multiply
    137,727.04x = 190,067.10 × 77,301.44
  4. Step 4: Simplify right side
    137,727.04x = 14,692,460,526.62
  5. Step 5: Solve for x
    x = 14,692,460,526.62/137,727.04
  6. Step 6: Final answer
    x = 106,678.11

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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.