Home / 124,635.09-186,977.28-45,750

Finding the Fourth Proportional to 124,635.09, 186,977.28 and 45,750

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Solution

The fourth proportional to 124,635.09, 186,977.28 and 45,750 is: 68,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,635.09 : 186,977.28 = 45,750 : x
  2. Step 2: Convert to fraction form
    124,635.09/186,977.28 = 45,750/x
  3. Step 3: Cross multiply
    124,635.09x = 186,977.28 × 45,750
  4. Step 4: Simplify right side
    124,635.09x = 8,554,210,560
  5. Step 5: Solve for x
    x = 8,554,210,560/124,635.09
  6. Step 6: Final answer
    x = 68,634.05

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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.