Home / 161,582.96-242,270.29-77,341.07

Finding the Fourth Proportional to 161,582.96, 242,270.29 and 77,341.07

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Solution

The fourth proportional to 161,582.96, 242,270.29 and 77,341.07 is: 115,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,582.96 : 242,270.29 = 77,341.07 : x
  2. Step 2: Convert to fraction form
    161,582.96/242,270.29 = 77,341.07/x
  3. Step 3: Cross multiply
    161,582.96x = 242,270.29 × 77,341.07
  4. Step 4: Simplify right side
    161,582.96x = 18,737,443,457.81
  5. Step 5: Solve for x
    x = 18,737,443,457.81/161,582.96
  6. Step 6: Final answer
    x = 115,961.75

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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.