Home / 190,043.46-262,249.02-105,155.46

Finding the Fourth Proportional to 190,043.46, 262,249.02 and 105,155.46

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Solution

The fourth proportional to 190,043.46, 262,249.02 and 105,155.46 is: 145,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,043.46 : 262,249.02 = 105,155.46 : x
  2. Step 2: Convert to fraction form
    190,043.46/262,249.02 = 105,155.46/x
  3. Step 3: Cross multiply
    190,043.46x = 262,249.02 × 105,155.46
  4. Step 4: Simplify right side
    190,043.46x = 27,576,916,332.65
  5. Step 5: Solve for x
    x = 27,576,916,332.65/190,043.46
  6. Step 6: Final answer
    x = 145,108.47

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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.