Home / 109,064.64-163,600.61-30,172.26

Finding the Fourth Proportional to 109,064.64, 163,600.61 and 30,172.26

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Solution

The fourth proportional to 109,064.64, 163,600.61 and 30,172.26 is: 45,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,064.64 : 163,600.61 = 30,172.26 : x
  2. Step 2: Convert to fraction form
    109,064.64/163,600.61 = 30,172.26/x
  3. Step 3: Cross multiply
    109,064.64x = 163,600.61 × 30,172.26
  4. Step 4: Simplify right side
    109,064.64x = 4,936,199,990.22
  5. Step 5: Solve for x
    x = 4,936,199,990.22/109,064.64
  6. Step 6: Final answer
    x = 45,259.40

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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.