Home / 251,416.16-377,025.40-91,454.12

Finding the Fourth Proportional to 251,416.16, 377,025.40 and 91,454.12

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Solution

The fourth proportional to 251,416.16, 377,025.40 and 91,454.12 is: 137,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,416.16 : 377,025.40 = 91,454.12 : x
  2. Step 2: Convert to fraction form
    251,416.16/377,025.40 = 91,454.12/x
  3. Step 3: Cross multiply
    251,416.16x = 377,025.40 × 91,454.12
  4. Step 4: Simplify right side
    251,416.16x = 34,480,526,174.65
  5. Step 5: Solve for x
    x = 34,480,526,174.65/251,416.16
  6. Step 6: Final answer
    x = 137,145.23

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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.