Home / 134,228.35-185,236.32-72,974.67

Finding the Fourth Proportional to 134,228.35, 185,236.32 and 72,974.67

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Solution

The fourth proportional to 134,228.35, 185,236.32 and 72,974.67 is: 100,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,228.35 : 185,236.32 = 72,974.67 : x
  2. Step 2: Convert to fraction form
    134,228.35/185,236.32 = 72,974.67/x
  3. Step 3: Cross multiply
    134,228.35x = 185,236.32 × 72,974.67
  4. Step 4: Simplify right side
    134,228.35x = 13,517,559,324.01
  5. Step 5: Solve for x
    x = 13,517,559,324.01/134,228.35
  6. Step 6: Final answer
    x = 100,705.70

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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.