Home / 131,828.76-181,933.02-75,248.64

Finding the Fourth Proportional to 131,828.76, 181,933.02 and 75,248.64

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Solution

The fourth proportional to 131,828.76, 181,933.02 and 75,248.64 is: 103,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,828.76 : 181,933.02 = 75,248.64 : x
  2. Step 2: Convert to fraction form
    131,828.76/181,933.02 = 75,248.64/x
  3. Step 3: Cross multiply
    131,828.76x = 181,933.02 × 75,248.64
  4. Step 4: Simplify right side
    131,828.76x = 13,690,212,326.09
  5. Step 5: Solve for x
    x = 13,690,212,326.09/131,828.76
  6. Step 6: Final answer
    x = 103,848.45

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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.