Home / 134,860.40-202,317.60-40,090.40

Finding the Fourth Proportional to 134,860.40, 202,317.60 and 40,090.40

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Solution

The fourth proportional to 134,860.40, 202,317.60 and 40,090.40 is: 60,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.40 : 202,317.60 = 40,090.40 : x
  2. Step 2: Convert to fraction form
    134,860.40/202,317.60 = 40,090.40/x
  3. Step 3: Cross multiply
    134,860.40x = 202,317.60 × 40,090.40
  4. Step 4: Simplify right side
    134,860.40x = 8,110,993,511.04
  5. Step 5: Solve for x
    x = 8,110,993,511.04/134,860.40
  6. Step 6: Final answer
    x = 60,143.63

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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.