Home / 123,941.60-185,912.40-40,824.80

Finding the Fourth Proportional to 123,941.60, 185,912.40 and 40,824.80

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Solution

The fourth proportional to 123,941.60, 185,912.40 and 40,824.80 is: 61,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,941.60 : 185,912.40 = 40,824.80 : x
  2. Step 2: Convert to fraction form
    123,941.60/185,912.40 = 40,824.80/x
  3. Step 3: Cross multiply
    123,941.60x = 185,912.40 × 40,824.80
  4. Step 4: Simplify right side
    123,941.60x = 7,589,836,547.52
  5. Step 5: Solve for x
    x = 7,589,836,547.52/123,941.60
  6. Step 6: Final answer
    x = 61,237.20

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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.