Home / 161,580.96-242,267.29-77,339.07

Finding the Fourth Proportional to 161,580.96, 242,267.29 and 77,339.07

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Solution

The fourth proportional to 161,580.96, 242,267.29 and 77,339.07 is: 115,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,580.96 : 242,267.29 = 77,339.07 : x
  2. Step 2: Convert to fraction form
    161,580.96/242,267.29 = 77,339.07/x
  3. Step 3: Cross multiply
    161,580.96x = 242,267.29 × 77,339.07
  4. Step 4: Simplify right side
    161,580.96x = 18,736,726,706.67
  5. Step 5: Solve for x
    x = 18,736,726,706.67/161,580.96
  6. Step 6: Final answer
    x = 115,958.75

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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.