Home / 136,476.04-204,675.18-86,480.68

Finding the Fourth Proportional to 136,476.04, 204,675.18 and 86,480.68

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Solution

The fourth proportional to 136,476.04, 204,675.18 and 86,480.68 is: 129,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,476.04 : 204,675.18 = 86,480.68 : x
  2. Step 2: Convert to fraction form
    136,476.04/204,675.18 = 86,480.68/x
  3. Step 3: Cross multiply
    136,476.04x = 204,675.18 × 86,480.68
  4. Step 4: Simplify right side
    136,476.04x = 17,700,448,745.52
  5. Step 5: Solve for x
    x = 17,700,448,745.52/136,476.04
  6. Step 6: Final answer
    x = 129,696.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.