Home / 190,232.89-285,105.12-71,763.10

Finding the Fourth Proportional to 190,232.89, 285,105.12 and 71,763.10

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Solution

The fourth proportional to 190,232.89, 285,105.12 and 71,763.10 is: 107,552.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,232.89 : 285,105.12 = 71,763.10 : x
  2. Step 2: Convert to fraction form
    190,232.89/285,105.12 = 71,763.10/x
  3. Step 3: Cross multiply
    190,232.89x = 285,105.12 × 71,763.10
  4. Step 4: Simplify right side
    190,232.89x = 20,460,027,237.07
  5. Step 5: Solve for x
    x = 20,460,027,237.07/190,232.89
  6. Step 6: Final answer
    x = 107,552.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.