Home / 109,584.12-151,003.02-75,603

Finding the Fourth Proportional to 109,584.12, 151,003.02 and 75,603

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Solution

The fourth proportional to 109,584.12, 151,003.02 and 75,603 is: 104,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,584.12 : 151,003.02 = 75,603 : x
  2. Step 2: Convert to fraction form
    109,584.12/151,003.02 = 75,603/x
  3. Step 3: Cross multiply
    109,584.12x = 151,003.02 × 75,603
  4. Step 4: Simplify right side
    109,584.12x = 11,416,281,321.06
  5. Step 5: Solve for x
    x = 11,416,281,321.06/109,584.12
  6. Step 6: Final answer
    x = 104,178.25

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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.