Home / 163,487.73-245,278.50-68,669.15

Finding the Fourth Proportional to 163,487.73, 245,278.50 and 68,669.15

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Solution

The fourth proportional to 163,487.73, 245,278.50 and 68,669.15 is: 103,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,487.73 : 245,278.50 = 68,669.15 : x
  2. Step 2: Convert to fraction form
    163,487.73/245,278.50 = 68,669.15/x
  3. Step 3: Cross multiply
    163,487.73x = 245,278.50 × 68,669.15
  4. Step 4: Simplify right side
    163,487.73x = 16,843,066,132.82
  5. Step 5: Solve for x
    x = 16,843,066,132.82/163,487.73
  6. Step 6: Final answer
    x = 103,023.43

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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.