Home / 161,433.84-242,001.34-71,428.85

Finding the Fourth Proportional to 161,433.84, 242,001.34 and 71,428.85

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Solution

The fourth proportional to 161,433.84, 242,001.34 and 71,428.85 is: 107,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,433.84 : 242,001.34 = 71,428.85 : x
  2. Step 2: Convert to fraction form
    161,433.84/242,001.34 = 71,428.85/x
  3. Step 3: Cross multiply
    161,433.84x = 242,001.34 × 71,428.85
  4. Step 4: Simplify right side
    161,433.84x = 17,285,876,026.08
  5. Step 5: Solve for x
    x = 17,285,876,026.08/161,433.84
  6. Step 6: Final answer
    x = 107,077.15

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1.5x scale

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.