Home / 172,428.14-258,648.99-60,119.81

Finding the Fourth Proportional to 172,428.14, 258,648.99 and 60,119.81

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Solution

The fourth proportional to 172,428.14, 258,648.99 and 60,119.81 is: 90,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,428.14 : 258,648.99 = 60,119.81 : x
  2. Step 2: Convert to fraction form
    172,428.14/258,648.99 = 60,119.81/x
  3. Step 3: Cross multiply
    172,428.14x = 258,648.99 × 60,119.81
  4. Step 4: Simplify right side
    172,428.14x = 15,549,928,135.49
  5. Step 5: Solve for x
    x = 15,549,928,135.49/172,428.14
  6. Step 6: Final answer
    x = 90,182.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.