Home / 161,476.86-242,058.14-77,215.26

Finding the Fourth Proportional to 161,476.86, 242,058.14 and 77,215.26

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Solution

The fourth proportional to 161,476.86, 242,058.14 and 77,215.26 is: 115,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,476.86 : 242,058.14 = 77,215.26 : x
  2. Step 2: Convert to fraction form
    161,476.86/242,058.14 = 77,215.26/x
  3. Step 3: Cross multiply
    161,476.86x = 242,058.14 × 77,215.26
  4. Step 4: Simplify right side
    161,476.86x = 18,690,582,215.22
  5. Step 5: Solve for x
    x = 18,690,582,215.22/161,476.86
  6. Step 6: Final answer
    x = 115,747.74

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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.