Home / 131,666.64-197,499.96-72,471.84

Finding the Fourth Proportional to 131,666.64, 197,499.96 and 72,471.84

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Solution

The fourth proportional to 131,666.64, 197,499.96 and 72,471.84 is: 108,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,666.64 : 197,499.96 = 72,471.84 : x
  2. Step 2: Convert to fraction form
    131,666.64/197,499.96 = 72,471.84/x
  3. Step 3: Cross multiply
    131,666.64x = 197,499.96 × 72,471.84
  4. Step 4: Simplify right side
    131,666.64x = 14,313,185,501.13
  5. Step 5: Solve for x
    x = 14,313,185,501.13/131,666.64
  6. Step 6: Final answer
    x = 108,707.76

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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.