Home / 134,507.58-185,616.66-77,156.47

Finding the Fourth Proportional to 134,507.58, 185,616.66 and 77,156.47

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Solution

The fourth proportional to 134,507.58, 185,616.66 and 77,156.47 is: 106,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,507.58 : 185,616.66 = 77,156.47 : x
  2. Step 2: Convert to fraction form
    134,507.58/185,616.66 = 77,156.47/x
  3. Step 3: Cross multiply
    134,507.58x = 185,616.66 × 77,156.47
  4. Step 4: Simplify right side
    134,507.58x = 14,321,526,258.79
  5. Step 5: Solve for x
    x = 14,321,526,258.79/134,507.58
  6. Step 6: Final answer
    x = 106,473.75

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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.