Home / 131,821.32-197,765.69-38,327.07

Finding the Fourth Proportional to 131,821.32, 197,765.69 and 38,327.07

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Solution

The fourth proportional to 131,821.32, 197,765.69 and 38,327.07 is: 57,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,821.32 : 197,765.69 = 38,327.07 : x
  2. Step 2: Convert to fraction form
    131,821.32/197,765.69 = 38,327.07/x
  3. Step 3: Cross multiply
    131,821.32x = 197,765.69 × 38,327.07
  4. Step 4: Simplify right side
    131,821.32x = 7,579,779,252.59
  5. Step 5: Solve for x
    x = 7,579,779,252.59/131,821.32
  6. Step 6: Final answer
    x = 57,500.40

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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.