Home / 120,802.36-181,263.74-54,290.04

Finding the Fourth Proportional to 120,802.36, 181,263.74 and 54,290.04

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Solution

The fourth proportional to 120,802.36, 181,263.74 and 54,290.04 is: 81,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,802.36 : 181,263.74 = 54,290.04 : x
  2. Step 2: Convert to fraction form
    120,802.36/181,263.74 = 54,290.04/x
  3. Step 3: Cross multiply
    120,802.36x = 181,263.74 × 54,290.04
  4. Step 4: Simplify right side
    120,802.36x = 9,840,815,695.15
  5. Step 5: Solve for x
    x = 9,840,815,695.15/120,802.36
  6. Step 6: Final answer
    x = 81,462.11

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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.