Home / 139,232.02-192,135.04-75,568.45

Finding the Fourth Proportional to 139,232.02, 192,135.04 and 75,568.45

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Solution

The fourth proportional to 139,232.02, 192,135.04 and 75,568.45 is: 104,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,232.02 : 192,135.04 = 75,568.45 : x
  2. Step 2: Convert to fraction form
    139,232.02/192,135.04 = 75,568.45/x
  3. Step 3: Cross multiply
    139,232.02x = 192,135.04 × 75,568.45
  4. Step 4: Simplify right side
    139,232.02x = 14,519,346,202.81
  5. Step 5: Solve for x
    x = 14,519,346,202.81/139,232.02
  6. Step 6: Final answer
    x = 104,281.66

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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.