Home / 124,210.88-186,344-45,325.12

Finding the Fourth Proportional to 124,210.88, 186,344 and 45,325.12

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Solution

The fourth proportional to 124,210.88, 186,344 and 45,325.12 is: 67,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,210.88 : 186,344 = 45,325.12 : x
  2. Step 2: Convert to fraction form
    124,210.88/186,344 = 45,325.12/x
  3. Step 3: Cross multiply
    124,210.88x = 186,344 × 45,325.12
  4. Step 4: Simplify right side
    124,210.88x = 8,446,064,161.28
  5. Step 5: Solve for x
    x = 8,446,064,161.28/124,210.88
  6. Step 6: Final answer
    x = 67,997.78

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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.