Home / 109,522.64-151,053.75-75,523.32

Finding the Fourth Proportional to 109,522.64, 151,053.75 and 75,523.32

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Solution

The fourth proportional to 109,522.64, 151,053.75 and 75,523.32 is: 104,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,522.64 : 151,053.75 = 75,523.32 : x
  2. Step 2: Convert to fraction form
    109,522.64/151,053.75 = 75,523.32/x
  3. Step 3: Cross multiply
    109,522.64x = 151,053.75 × 75,523.32
  4. Step 4: Simplify right side
    109,522.64x = 11,408,080,698.45
  5. Step 5: Solve for x
    x = 11,408,080,698.45/109,522.64
  6. Step 6: Final answer
    x = 104,161.85

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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.