Home / 136,037.36-187,719.60-75,604.20

Finding the Fourth Proportional to 136,037.36, 187,719.60 and 75,604.20

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Solution

The fourth proportional to 136,037.36, 187,719.60 and 75,604.20 is: 104,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.36 : 187,719.60 = 75,604.20 : x
  2. Step 2: Convert to fraction form
    136,037.36/187,719.60 = 75,604.20/x
  3. Step 3: Cross multiply
    136,037.36x = 187,719.60 × 75,604.20
  4. Step 4: Simplify right side
    136,037.36x = 14,192,390,182.32
  5. Step 5: Solve for x
    x = 14,192,390,182.32/136,037.36
  6. Step 6: Final answer
    x = 104,327.15

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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.