Home / 161,973.10-242,959.65-103,069.90

Finding the Fourth Proportional to 161,973.10, 242,959.65 and 103,069.90

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Solution

The fourth proportional to 161,973.10, 242,959.65 and 103,069.90 is: 154,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,973.10 : 242,959.65 = 103,069.90 : x
  2. Step 2: Convert to fraction form
    161,973.10/242,959.65 = 103,069.90/x
  3. Step 3: Cross multiply
    161,973.10x = 242,959.65 × 103,069.90
  4. Step 4: Simplify right side
    161,973.10x = 25,041,826,829.54
  5. Step 5: Solve for x
    x = 25,041,826,829.54/161,973.10
  6. Step 6: Final answer
    x = 154,604.85

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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.