Home / 155,352.18-214,383.96-87,369.14

Finding the Fourth Proportional to 155,352.18, 214,383.96 and 87,369.14

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Solution

The fourth proportional to 155,352.18, 214,383.96 and 87,369.14 is: 120,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,352.18 : 214,383.96 = 87,369.14 : x
  2. Step 2: Convert to fraction form
    155,352.18/214,383.96 = 87,369.14/x
  3. Step 3: Cross multiply
    155,352.18x = 214,383.96 × 87,369.14
  4. Step 4: Simplify right side
    155,352.18x = 18,730,541,143.07
  5. Step 5: Solve for x
    x = 18,730,541,143.07/155,352.18
  6. Step 6: Final answer
    x = 120,568.25

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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.