Home / 140,579.36-193,997.76-80,148.08

Finding the Fourth Proportional to 140,579.36, 193,997.76 and 80,148.08

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Solution

The fourth proportional to 140,579.36, 193,997.76 and 80,148.08 is: 110,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,579.36 : 193,997.76 = 80,148.08 : x
  2. Step 2: Convert to fraction form
    140,579.36/193,997.76 = 80,148.08/x
  3. Step 3: Cross multiply
    140,579.36x = 193,997.76 × 80,148.08
  4. Step 4: Simplify right side
    140,579.36x = 15,548,547,988.30
  5. Step 5: Solve for x
    x = 15,548,547,988.30/140,579.36
  6. Step 6: Final answer
    x = 110,603.35

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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.