Home / 149,524.86-206,341.74-81,541.96

Finding the Fourth Proportional to 149,524.86, 206,341.74 and 81,541.96

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Solution

The fourth proportional to 149,524.86, 206,341.74 and 81,541.96 is: 112,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,524.86 : 206,341.74 = 81,541.96 : x
  2. Step 2: Convert to fraction form
    149,524.86/206,341.74 = 81,541.96/x
  3. Step 3: Cross multiply
    149,524.86x = 206,341.74 × 81,541.96
  4. Step 4: Simplify right side
    149,524.86x = 16,825,509,909.41
  5. Step 5: Solve for x
    x = 16,825,509,909.41/149,524.86
  6. Step 6: Final answer
    x = 112,526.51

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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.