Home / 190,430.75-262,803.01-108,766.10

Finding the Fourth Proportional to 190,430.75, 262,803.01 and 108,766.10

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Solution

The fourth proportional to 190,430.75, 262,803.01 and 108,766.10 is: 150,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,430.75 : 262,803.01 = 108,766.10 : x
  2. Step 2: Convert to fraction form
    190,430.75/262,803.01 = 108,766.10/x
  3. Step 3: Cross multiply
    190,430.75x = 262,803.01 × 108,766.10
  4. Step 4: Simplify right side
    190,430.75x = 28,584,058,465.96
  5. Step 5: Solve for x
    x = 28,584,058,465.96/190,430.75
  6. Step 6: Final answer
    x = 150,102.12

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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.