Home / 134,637.44-185,748-80,935.52

Finding the Fourth Proportional to 134,637.44, 185,748 and 80,935.52

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Solution

The fourth proportional to 134,637.44, 185,748 and 80,935.52 is: 111,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,637.44 : 185,748 = 80,935.52 : x
  2. Step 2: Convert to fraction form
    134,637.44/185,748 = 80,935.52/x
  3. Step 3: Cross multiply
    134,637.44x = 185,748 × 80,935.52
  4. Step 4: Simplify right side
    134,637.44x = 15,033,610,968.96
  5. Step 5: Solve for x
    x = 15,033,610,968.96/134,637.44
  6. Step 6: Final answer
    x = 111,659.96

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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.