Home / 134,582.72-185,713.36-77,997.74

Finding the Fourth Proportional to 134,582.72, 185,713.36 and 77,997.74

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Solution

The fourth proportional to 134,582.72, 185,713.36 and 77,997.74 is: 107,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,582.72 : 185,713.36 = 77,997.74 : x
  2. Step 2: Convert to fraction form
    134,582.72/185,713.36 = 77,997.74/x
  3. Step 3: Cross multiply
    134,582.72x = 185,713.36 × 77,997.74
  4. Step 4: Simplify right side
    134,582.72x = 14,485,221,244.25
  5. Step 5: Solve for x
    x = 14,485,221,244.25/134,582.72
  6. Step 6: Final answer
    x = 107,630.62

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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.