Home / 190,203.28-262,480.48-105,320.32

Finding the Fourth Proportional to 190,203.28, 262,480.48 and 105,320.32

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Solution

The fourth proportional to 190,203.28, 262,480.48 and 105,320.32 is: 145,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,203.28 : 262,480.48 = 105,320.32 : x
  2. Step 2: Convert to fraction form
    190,203.28/262,480.48 = 105,320.32/x
  3. Step 3: Cross multiply
    190,203.28x = 262,480.48 × 105,320.32
  4. Step 4: Simplify right side
    190,203.28x = 27,644,528,147.35
  5. Step 5: Solve for x
    x = 27,644,528,147.35/190,203.28
  6. Step 6: Final answer
    x = 145,342.02

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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.