Home / 190,103.02-262,336.95-108,429.42

Finding the Fourth Proportional to 190,103.02, 262,336.95 and 108,429.42

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Solution

The fourth proportional to 190,103.02, 262,336.95 and 108,429.42 is: 149,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.02 : 262,336.95 = 108,429.42 : x
  2. Step 2: Convert to fraction form
    190,103.02/262,336.95 = 108,429.42/x
  3. Step 3: Cross multiply
    190,103.02x = 262,336.95 × 108,429.42
  4. Step 4: Simplify right side
    190,103.02x = 28,445,043,333.07
  5. Step 5: Solve for x
    x = 28,445,043,333.07/190,103.02
  6. Step 6: Final answer
    x = 149,629.62

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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.