Home / 190,013.72-262,214.85-103,972.34

Finding the Fourth Proportional to 190,013.72, 262,214.85 and 103,972.34

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Solution

The fourth proportional to 190,013.72, 262,214.85 and 103,972.34 is: 143,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,013.72 : 262,214.85 = 103,972.34 : x
  2. Step 2: Convert to fraction form
    190,013.72/262,214.85 = 103,972.34/x
  3. Step 3: Cross multiply
    190,013.72x = 262,214.85 × 103,972.34
  4. Step 4: Simplify right side
    190,013.72x = 27,263,092,582.68
  5. Step 5: Solve for x
    x = 27,263,092,582.68/190,013.72
  6. Step 6: Final answer
    x = 143,479.60

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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.