Home / 120,084.51-180,130.41-41,197.59

Finding the Fourth Proportional to 120,084.51, 180,130.41 and 41,197.59

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Solution

The fourth proportional to 120,084.51, 180,130.41 and 41,197.59 is: 61,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,084.51 : 180,130.41 = 41,197.59 : x
  2. Step 2: Convert to fraction form
    120,084.51/180,130.41 = 41,197.59/x
  3. Step 3: Cross multiply
    120,084.51x = 180,130.41 × 41,197.59
  4. Step 4: Simplify right side
    120,084.51x = 7,420,938,777.71
  5. Step 5: Solve for x
    x = 7,420,938,777.71/120,084.51
  6. Step 6: Final answer
    x = 61,797.64

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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.