Home / 121,081.04-181,619.74-54,474.14

Finding the Fourth Proportional to 121,081.04, 181,619.74 and 54,474.14

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Solution

The fourth proportional to 121,081.04, 181,619.74 and 54,474.14 is: 81,710.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,081.04 : 181,619.74 = 54,474.14 : x
  2. Step 2: Convert to fraction form
    121,081.04/181,619.74 = 54,474.14/x
  3. Step 3: Cross multiply
    121,081.04x = 181,619.74 × 54,474.14
  4. Step 4: Simplify right side
    121,081.04x = 9,893,578,303.52
  5. Step 5: Solve for x
    x = 9,893,578,303.52/121,081.04
  6. Step 6: Final answer
    x = 81,710.38

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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.