Home / 250,814.28-346,127.94-137,647.56

Finding the Fourth Proportional to 250,814.28, 346,127.94 and 137,647.56

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Solution

The fourth proportional to 250,814.28, 346,127.94 and 137,647.56 is: 189,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,814.28 : 346,127.94 = 137,647.56 : x
  2. Step 2: Convert to fraction form
    250,814.28/346,127.94 = 137,647.56/x
  3. Step 3: Cross multiply
    250,814.28x = 346,127.94 × 137,647.56
  4. Step 4: Simplify right side
    250,814.28x = 47,643,666,388.83
  5. Step 5: Solve for x
    x = 47,643,666,388.83/250,814.28
  6. Step 6: Final answer
    x = 189,955.96

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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.