Home / 80,127.04-110,546.22-61,736.20

Finding the Fourth Proportional to 80,127.04, 110,546.22 and 61,736.20

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Solution

The fourth proportional to 80,127.04, 110,546.22 and 61,736.20 is: 85,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,127.04 : 110,546.22 = 61,736.20 : x
  2. Step 2: Convert to fraction form
    80,127.04/110,546.22 = 61,736.20/x
  3. Step 3: Cross multiply
    80,127.04x = 110,546.22 × 61,736.20
  4. Step 4: Simplify right side
    80,127.04x = 6,824,703,547.16
  5. Step 5: Solve for x
    x = 6,824,703,547.16/80,127.04
  6. Step 6: Final answer
    x = 85,173.54

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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.