Home / 137,025.58-189,084.78-83,303.14

Finding the Fourth Proportional to 137,025.58, 189,084.78 and 83,303.14

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Solution

The fourth proportional to 137,025.58, 189,084.78 and 83,303.14 is: 114,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,025.58 : 189,084.78 = 83,303.14 : x
  2. Step 2: Convert to fraction form
    137,025.58/189,084.78 = 83,303.14/x
  3. Step 3: Cross multiply
    137,025.58x = 189,084.78 × 83,303.14
  4. Step 4: Simplify right side
    137,025.58x = 15,751,355,900.21
  5. Step 5: Solve for x
    x = 15,751,355,900.21/137,025.58
  6. Step 6: Final answer
    x = 114,951.94

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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.