Home / 109,418.09-164,080.67-42,847.63

Finding the Fourth Proportional to 109,418.09, 164,080.67 and 42,847.63

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Solution

The fourth proportional to 109,418.09, 164,080.67 and 42,847.63 is: 64,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,418.09 : 164,080.67 = 42,847.63 : x
  2. Step 2: Convert to fraction form
    109,418.09/164,080.67 = 42,847.63/x
  3. Step 3: Cross multiply
    109,418.09x = 164,080.67 × 42,847.63
  4. Step 4: Simplify right side
    109,418.09x = 7,030,467,213.87
  5. Step 5: Solve for x
    x = 7,030,467,213.87/109,418.09
  6. Step 6: Final answer
    x = 64,253.25

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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.