Home / 120,361.47-180,527.62-61,239.57

Finding the Fourth Proportional to 120,361.47, 180,527.62 and 61,239.57

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Solution

The fourth proportional to 120,361.47, 180,527.62 and 61,239.57 is: 91,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,361.47 : 180,527.62 = 61,239.57 : x
  2. Step 2: Convert to fraction form
    120,361.47/180,527.62 = 61,239.57/x
  3. Step 3: Cross multiply
    120,361.47x = 180,527.62 × 61,239.57
  4. Step 4: Simplify right side
    120,361.47x = 11,055,432,613.09
  5. Step 5: Solve for x
    x = 11,055,432,613.09/120,361.47
  6. Step 6: Final answer
    x = 91,851.93

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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.