Home / 109,360.40-164,048.68-39,240.32

Finding the Fourth Proportional to 109,360.40, 164,048.68 and 39,240.32

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Solution

The fourth proportional to 109,360.40, 164,048.68 and 39,240.32 is: 58,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,360.40 : 164,048.68 = 39,240.32 : x
  2. Step 2: Convert to fraction form
    109,360.40/164,048.68 = 39,240.32/x
  3. Step 3: Cross multiply
    109,360.40x = 164,048.68 × 39,240.32
  4. Step 4: Simplify right side
    109,360.40x = 6,437,322,698.78
  5. Step 5: Solve for x
    x = 6,437,322,698.78/109,360.40
  6. Step 6: Final answer
    x = 58,863.38

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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.