Home / 251,410.14-377,016.39-91,448.10

Finding the Fourth Proportional to 251,410.14, 377,016.39 and 91,448.10

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Solution

The fourth proportional to 251,410.14, 377,016.39 and 91,448.10 is: 137,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,410.14 : 377,016.39 = 91,448.10 : x
  2. Step 2: Convert to fraction form
    251,410.14/377,016.39 = 91,448.10/x
  3. Step 3: Cross multiply
    251,410.14x = 377,016.39 × 91,448.10
  4. Step 4: Simplify right side
    251,410.14x = 34,477,432,534.36
  5. Step 5: Solve for x
    x = 34,477,432,534.36/251,410.14
  6. Step 6: Final answer
    x = 137,136.21

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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.