Home / 120,277.90-180,292.27-98,994.31

Finding the Fourth Proportional to 120,277.90, 180,292.27 and 98,994.31

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Solution

The fourth proportional to 120,277.90, 180,292.27 and 98,994.31 is: 148,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,277.90 : 180,292.27 = 98,994.31 : x
  2. Step 2: Convert to fraction form
    120,277.90/180,292.27 = 98,994.31/x
  3. Step 3: Cross multiply
    120,277.90x = 180,292.27 × 98,994.31
  4. Step 4: Simplify right side
    120,277.90x = 17,847,907,470.55
  5. Step 5: Solve for x
    x = 17,847,907,470.55/120,277.90
  6. Step 6: Final answer
    x = 148,388.92

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1.5x scale

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.