Home / 190,099.89-262,332.64-108,426.30

Finding the Fourth Proportional to 190,099.89, 262,332.64 and 108,426.30

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Solution

The fourth proportional to 190,099.89, 262,332.64 and 108,426.30 is: 149,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.89 : 262,332.64 = 108,426.30 : x
  2. Step 2: Convert to fraction form
    190,099.89/262,332.64 = 108,426.30/x
  3. Step 3: Cross multiply
    190,099.89x = 262,332.64 × 108,426.30
  4. Step 4: Simplify right side
    190,099.89x = 28,443,756,676.22
  5. Step 5: Solve for x
    x = 28,443,756,676.22/190,099.89
  6. Step 6: Final answer
    x = 149,625.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.