Home / 117,429.77-162,035.85-65,744.19

Finding the Fourth Proportional to 117,429.77, 162,035.85 and 65,744.19

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Solution

The fourth proportional to 117,429.77, 162,035.85 and 65,744.19 is: 90,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,429.77 : 162,035.85 = 65,744.19 : x
  2. Step 2: Convert to fraction form
    117,429.77/162,035.85 = 65,744.19/x
  3. Step 3: Cross multiply
    117,429.77x = 162,035.85 × 65,744.19
  4. Step 4: Simplify right side
    117,429.77x = 10,652,915,709.21
  5. Step 5: Solve for x
    x = 10,652,915,709.21/117,429.77
  6. Step 6: Final answer
    x = 90,717.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.