Home / 124,811.10-186,827.85-89,819.10

Finding the Fourth Proportional to 124,811.10, 186,827.85 and 89,819.10

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Solution

The fourth proportional to 124,811.10, 186,827.85 and 89,819.10 is: 134,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,811.10 : 186,827.85 = 89,819.10 : x
  2. Step 2: Convert to fraction form
    124,811.10/186,827.85 = 89,819.10/x
  3. Step 3: Cross multiply
    124,811.10x = 186,827.85 × 89,819.10
  4. Step 4: Simplify right side
    124,811.10x = 16,780,709,341.94
  5. Step 5: Solve for x
    x = 16,780,709,341.94/124,811.10
  6. Step 6: Final answer
    x = 134,448.85

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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.