Home / 130,223.40-194,816.70-112,885.80

Finding the Fourth Proportional to 130,223.40, 194,816.70 and 112,885.80

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Solution

The fourth proportional to 130,223.40, 194,816.70 and 112,885.80 is: 168,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,223.40 : 194,816.70 = 112,885.80 : x
  2. Step 2: Convert to fraction form
    130,223.40/194,816.70 = 112,885.80/x
  3. Step 3: Cross multiply
    130,223.40x = 194,816.70 × 112,885.80
  4. Step 4: Simplify right side
    130,223.40x = 21,992,039,032.86
  5. Step 5: Solve for x
    x = 21,992,039,032.86/130,223.40
  6. Step 6: Final answer
    x = 168,879.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.