Home / 135,844.51-187,466.13-84,886.87

Finding the Fourth Proportional to 135,844.51, 187,466.13 and 84,886.87

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Solution

The fourth proportional to 135,844.51, 187,466.13 and 84,886.87 is: 117,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,844.51 : 187,466.13 = 84,886.87 : x
  2. Step 2: Convert to fraction form
    135,844.51/187,466.13 = 84,886.87/x
  3. Step 3: Cross multiply
    135,844.51x = 187,466.13 × 84,886.87
  4. Step 4: Simplify right side
    135,844.51x = 15,913,413,006.71
  5. Step 5: Solve for x
    x = 15,913,413,006.71/135,844.51
  6. Step 6: Final answer
    x = 117,144.32

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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.