Home / 136,298.24-188,089.56-75,868.80

Finding the Fourth Proportional to 136,298.24, 188,089.56 and 75,868.80

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Solution

The fourth proportional to 136,298.24, 188,089.56 and 75,868.80 is: 104,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.24 : 188,089.56 = 75,868.80 : x
  2. Step 2: Convert to fraction form
    136,298.24/188,089.56 = 75,868.80/x
  3. Step 3: Cross multiply
    136,298.24x = 188,089.56 × 75,868.80
  4. Step 4: Simplify right side
    136,298.24x = 14,270,128,504.39
  5. Step 5: Solve for x
    x = 14,270,128,504.39/136,298.24
  6. Step 6: Final answer
    x = 104,697.82

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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.