Home / 136,020.36-187,745.30-88,271.08

Finding the Fourth Proportional to 136,020.36, 187,745.30 and 88,271.08

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Solution

The fourth proportional to 136,020.36, 187,745.30 and 88,271.08 is: 121,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,020.36 : 187,745.30 = 88,271.08 : x
  2. Step 2: Convert to fraction form
    136,020.36/187,745.30 = 88,271.08/x
  3. Step 3: Cross multiply
    136,020.36x = 187,745.30 × 88,271.08
  4. Step 4: Simplify right side
    136,020.36x = 16,572,480,395.92
  5. Step 5: Solve for x
    x = 16,572,480,395.92/136,020.36
  6. Step 6: Final answer
    x = 121,838.23

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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.