Home / 136,293.75-188,081.18-75,862.84

Finding the Fourth Proportional to 136,293.75, 188,081.18 and 75,862.84

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Solution

The fourth proportional to 136,293.75, 188,081.18 and 75,862.84 is: 104,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,293.75 : 188,081.18 = 75,862.84 : x
  2. Step 2: Convert to fraction form
    136,293.75/188,081.18 = 75,862.84/x
  3. Step 3: Cross multiply
    136,293.75x = 188,081.18 × 75,862.84
  4. Step 4: Simplify right side
    136,293.75x = 14,268,372,184.81
  5. Step 5: Solve for x
    x = 14,268,372,184.81/136,293.75
  6. Step 6: Final answer
    x = 104,688.39

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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.