Home / 155,137.40-214,082.82-94,808.96

Finding the Fourth Proportional to 155,137.40, 214,082.82 and 94,808.96

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Solution

The fourth proportional to 155,137.40, 214,082.82 and 94,808.96 is: 130,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,137.40 : 214,082.82 = 94,808.96 : x
  2. Step 2: Convert to fraction form
    155,137.40/214,082.82 = 94,808.96/x
  3. Step 3: Cross multiply
    155,137.40x = 214,082.82 × 94,808.96
  4. Step 4: Simplify right side
    155,137.40x = 20,296,969,518.07
  5. Step 5: Solve for x
    x = 20,296,969,518.07/155,137.40
  6. Step 6: Final answer
    x = 130,832.21

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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.