Home / 121,141.44-181,710.08-54,534.40

Finding the Fourth Proportional to 121,141.44, 181,710.08 and 54,534.40

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Solution

The fourth proportional to 121,141.44, 181,710.08 and 54,534.40 is: 81,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,141.44 : 181,710.08 = 54,534.40 : x
  2. Step 2: Convert to fraction form
    121,141.44/181,710.08 = 54,534.40/x
  3. Step 3: Cross multiply
    121,141.44x = 181,710.08 × 54,534.40
  4. Step 4: Simplify right side
    121,141.44x = 9,909,450,186.75
  5. Step 5: Solve for x
    x = 9,909,450,186.75/121,141.44
  6. Step 6: Final answer
    x = 81,800.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.