Home / 146,445.58-202,099.67-81,035.14

Finding the Fourth Proportional to 146,445.58, 202,099.67 and 81,035.14

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Solution

The fourth proportional to 146,445.58, 202,099.67 and 81,035.14 is: 111,831.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,445.58 : 202,099.67 = 81,035.14 : x
  2. Step 2: Convert to fraction form
    146,445.58/202,099.67 = 81,035.14/x
  3. Step 3: Cross multiply
    146,445.58x = 202,099.67 × 81,035.14
  4. Step 4: Simplify right side
    146,445.58x = 16,377,175,052.40
  5. Step 5: Solve for x
    x = 16,377,175,052.40/146,445.58
  6. Step 6: Final answer
    x = 111,831.13

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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.