Home / 160,892.10-221,243.76-139,634.46

Finding the Fourth Proportional to 160,892.10, 221,243.76 and 139,634.46

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Solution

The fourth proportional to 160,892.10, 221,243.76 and 139,634.46 is: 192,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,892.10 : 221,243.76 = 139,634.46 : x
  2. Step 2: Convert to fraction form
    160,892.10/221,243.76 = 139,634.46/x
  3. Step 3: Cross multiply
    160,892.10x = 221,243.76 × 139,634.46
  4. Step 4: Simplify right side
    160,892.10x = 30,893,252,955.97
  5. Step 5: Solve for x
    x = 30,893,252,955.97/160,892.10
  6. Step 6: Final answer
    x = 192,012.24

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1.5x scale

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.