Home / 131,623.36-197,434.56-38,128.96

Finding the Fourth Proportional to 131,623.36, 197,434.56 and 38,128.96

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Solution

The fourth proportional to 131,623.36, 197,434.56 and 38,128.96 is: 57,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,623.36 : 197,434.56 = 38,128.96 : x
  2. Step 2: Convert to fraction form
    131,623.36/197,434.56 = 38,128.96/x
  3. Step 3: Cross multiply
    131,623.36x = 197,434.56 × 38,128.96
  4. Step 4: Simplify right side
    131,623.36x = 7,527,974,440.86
  5. Step 5: Solve for x
    x = 7,527,974,440.86/131,623.36
  6. Step 6: Final answer
    x = 57,193.30

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1.5x scale

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.