Home / 66,085.35-99,125.78-16,165.68

Finding the Fourth Proportional to 66,085.35, 99,125.78 and 16,165.68

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Solution

The fourth proportional to 66,085.35, 99,125.78 and 16,165.68 is: 24,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.35 : 99,125.78 = 16,165.68 : x
  2. Step 2: Convert to fraction form
    66,085.35/99,125.78 = 16,165.68/x
  3. Step 3: Cross multiply
    66,085.35x = 99,125.78 × 16,165.68
  4. Step 4: Simplify right side
    66,085.35x = 1,602,435,558.40
  5. Step 5: Solve for x
    x = 1,602,435,558.40/66,085.35
  6. Step 6: Final answer
    x = 24,247.97

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1.5x scale

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.