Home / 160,773.08-221,856.03-89,150.45

Finding the Fourth Proportional to 160,773.08, 221,856.03 and 89,150.45

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Solution

The fourth proportional to 160,773.08, 221,856.03 and 89,150.45 is: 123,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,773.08 : 221,856.03 = 89,150.45 : x
  2. Step 2: Convert to fraction form
    160,773.08/221,856.03 = 89,150.45/x
  3. Step 3: Cross multiply
    160,773.08x = 221,856.03 × 89,150.45
  4. Step 4: Simplify right side
    160,773.08x = 19,778,563,800.43
  5. Step 5: Solve for x
    x = 19,778,563,800.43/160,773.08
  6. Step 6: Final answer
    x = 123,021.62

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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.