Home / 214,065.18-295,411.05-138,744.90

Finding the Fourth Proportional to 214,065.18, 295,411.05 and 138,744.90

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Solution

The fourth proportional to 214,065.18, 295,411.05 and 138,744.90 is: 191,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,065.18 : 295,411.05 = 138,744.90 : x
  2. Step 2: Convert to fraction form
    214,065.18/295,411.05 = 138,744.90/x
  3. Step 3: Cross multiply
    214,065.18x = 295,411.05 × 138,744.90
  4. Step 4: Simplify right side
    214,065.18x = 40,986,776,591.15
  5. Step 5: Solve for x
    x = 40,986,776,591.15/214,065.18
  6. Step 6: Final answer
    x = 191,468.68

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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.