Home / 120,277.40-180,291.52-98,993.81

Finding the Fourth Proportional to 120,277.40, 180,291.52 and 98,993.81

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Solution

The fourth proportional to 120,277.40, 180,291.52 and 98,993.81 is: 148,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,277.40 : 180,291.52 = 98,993.81 : x
  2. Step 2: Convert to fraction form
    120,277.40/180,291.52 = 98,993.81/x
  3. Step 3: Cross multiply
    120,277.40x = 180,291.52 × 98,993.81
  4. Step 4: Simplify right side
    120,277.40x = 17,847,743,079.06
  5. Step 5: Solve for x
    x = 17,847,743,079.06/120,277.40
  6. Step 6: Final answer
    x = 148,388.17

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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.