Home / 149,444.46-206,233.47-81,461.52

Finding the Fourth Proportional to 149,444.46, 206,233.47 and 81,461.52

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Solution

The fourth proportional to 149,444.46, 206,233.47 and 81,461.52 is: 112,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,444.46 : 206,233.47 = 81,461.52 : x
  2. Step 2: Convert to fraction form
    149,444.46/206,233.47 = 81,461.52/x
  3. Step 3: Cross multiply
    149,444.46x = 206,233.47 × 81,461.52
  4. Step 4: Simplify right side
    149,444.46x = 16,800,091,941.07
  5. Step 5: Solve for x
    x = 16,800,091,941.07/149,444.46
  6. Step 6: Final answer
    x = 112,416.96

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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.