Home / 189,219.90-261,110.10-104,335.14

Finding the Fourth Proportional to 189,219.90, 261,110.10 and 104,335.14

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Solution

The fourth proportional to 189,219.90, 261,110.10 and 104,335.14 is: 143,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,219.90 : 261,110.10 = 104,335.14 : x
  2. Step 2: Convert to fraction form
    189,219.90/261,110.10 = 104,335.14/x
  3. Step 3: Cross multiply
    189,219.90x = 261,110.10 × 104,335.14
  4. Step 4: Simplify right side
    189,219.90x = 27,242,958,838.91
  5. Step 5: Solve for x
    x = 27,242,958,838.91/189,219.90
  6. Step 6: Final answer
    x = 143,975.13

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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.