Home / 136,292.80-188,084.05-75,862.14

Finding the Fourth Proportional to 136,292.80, 188,084.05 and 75,862.14

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Solution

The fourth proportional to 136,292.80, 188,084.05 and 75,862.14 is: 104,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.80 : 188,084.05 = 75,862.14 : x
  2. Step 2: Convert to fraction form
    136,292.80/188,084.05 = 75,862.14/x
  3. Step 3: Cross multiply
    136,292.80x = 188,084.05 × 75,862.14
  4. Step 4: Simplify right side
    136,292.80x = 14,268,458,343.21
  5. Step 5: Solve for x
    x = 14,268,458,343.21/136,292.80
  6. Step 6: Final answer
    x = 104,689.75

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1.5x scale

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.