Home / 110,380.02-152,327.68-78,172.26

Finding the Fourth Proportional to 110,380.02, 152,327.68 and 78,172.26

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Solution

The fourth proportional to 110,380.02, 152,327.68 and 78,172.26 is: 107,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,380.02 : 152,327.68 = 78,172.26 : x
  2. Step 2: Convert to fraction form
    110,380.02/152,327.68 = 78,172.26/x
  3. Step 3: Cross multiply
    110,380.02x = 152,327.68 × 78,172.26
  4. Step 4: Simplify right side
    110,380.02x = 11,907,799,006.16
  5. Step 5: Solve for x
    x = 11,907,799,006.16/110,380.02
  6. Step 6: Final answer
    x = 107,880.02

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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.