Home / 134,855.81-185,995.85-86,462.36

Finding the Fourth Proportional to 134,855.81, 185,995.85 and 86,462.36

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Solution

The fourth proportional to 134,855.81, 185,995.85 and 86,462.36 is: 119,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,855.81 : 185,995.85 = 86,462.36 : x
  2. Step 2: Convert to fraction form
    134,855.81/185,995.85 = 86,462.36/x
  3. Step 3: Cross multiply
    134,855.81x = 185,995.85 × 86,462.36
  4. Step 4: Simplify right side
    134,855.81x = 16,081,640,141.21
  5. Step 5: Solve for x
    x = 16,081,640,141.21/134,855.81
  6. Step 6: Final answer
    x = 119,250.63

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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.