Home / 190,145.30-262,403.62-104,102.86

Finding the Fourth Proportional to 190,145.30, 262,403.62 and 104,102.86

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Solution

The fourth proportional to 190,145.30, 262,403.62 and 104,102.86 is: 143,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,145.30 : 262,403.62 = 104,102.86 : x
  2. Step 2: Convert to fraction form
    190,145.30/262,403.62 = 104,102.86/x
  3. Step 3: Cross multiply
    190,145.30x = 262,403.62 × 104,102.86
  4. Step 4: Simplify right side
    190,145.30x = 27,316,967,316.35
  5. Step 5: Solve for x
    x = 27,316,967,316.35/190,145.30
  6. Step 6: Final answer
    x = 143,663.65

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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.