Home / 109,121.06-150,564.48-63,790.28

Finding the Fourth Proportional to 109,121.06, 150,564.48 and 63,790.28

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Solution

The fourth proportional to 109,121.06, 150,564.48 and 63,790.28 is: 88,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,121.06 : 150,564.48 = 63,790.28 : x
  2. Step 2: Convert to fraction form
    109,121.06/150,564.48 = 63,790.28/x
  3. Step 3: Cross multiply
    109,121.06x = 150,564.48 × 63,790.28
  4. Step 4: Simplify right side
    109,121.06x = 9,604,550,337.25
  5. Step 5: Solve for x
    x = 9,604,550,337.25/109,121.06
  6. Step 6: Final answer
    x = 88,017.38

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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.