Home / 124,137.07-186,206.01-30,642.82

Finding the Fourth Proportional to 124,137.07, 186,206.01 and 30,642.82

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Solution

The fourth proportional to 124,137.07, 186,206.01 and 30,642.82 is: 45,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,137.07 : 186,206.01 = 30,642.82 : x
  2. Step 2: Convert to fraction form
    124,137.07/186,206.01 = 30,642.82/x
  3. Step 3: Cross multiply
    124,137.07x = 186,206.01 × 30,642.82
  4. Step 4: Simplify right side
    124,137.07x = 5,705,877,247.35
  5. Step 5: Solve for x
    x = 5,705,877,247.35/124,137.07
  6. Step 6: Final answer
    x = 45,964.33

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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.