Home / 149,574.86-206,417.20-81,592.98

Finding the Fourth Proportional to 149,574.86, 206,417.20 and 81,592.98

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Solution

The fourth proportional to 149,574.86, 206,417.20 and 81,592.98 is: 112,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,574.86 : 206,417.20 = 81,592.98 : x
  2. Step 2: Convert to fraction form
    149,574.86/206,417.20 = 81,592.98/x
  3. Step 3: Cross multiply
    149,574.86x = 206,417.20 × 81,592.98
  4. Step 4: Simplify right side
    149,574.86x = 16,842,194,471.26
  5. Step 5: Solve for x
    x = 16,842,194,471.26/149,574.86
  6. Step 6: Final answer
    x = 112,600.44

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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.