Home / 109,120.69-150,607.26-68,303.77

Finding the Fourth Proportional to 109,120.69, 150,607.26 and 68,303.77

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Solution

The fourth proportional to 109,120.69, 150,607.26 and 68,303.77 is: 94,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.69 : 150,607.26 = 68,303.77 : x
  2. Step 2: Convert to fraction form
    109,120.69/150,607.26 = 68,303.77/x
  3. Step 3: Cross multiply
    109,120.69x = 150,607.26 × 68,303.77
  4. Step 4: Simplify right side
    109,120.69x = 10,287,043,647.37
  5. Step 5: Solve for x
    x = 10,287,043,647.37/109,120.69
  6. Step 6: Final answer
    x = 94,272.16

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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.