Home / 134,538.64-185,663.31-77,982.82

Finding the Fourth Proportional to 134,538.64, 185,663.31 and 77,982.82

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Solution

The fourth proportional to 134,538.64, 185,663.31 and 77,982.82 is: 107,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,538.64 : 185,663.31 = 77,982.82 : x
  2. Step 2: Convert to fraction form
    134,538.64/185,663.31 = 77,982.82/x
  3. Step 3: Cross multiply
    134,538.64x = 185,663.31 × 77,982.82
  4. Step 4: Simplify right side
    134,538.64x = 14,478,548,484.33
  5. Step 5: Solve for x
    x = 14,478,548,484.33/134,538.64
  6. Step 6: Final answer
    x = 107,616.28

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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.