Home / 104,424.72-143,997.18-61,975.05

Finding the Fourth Proportional to 104,424.72, 143,997.18 and 61,975.05

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Solution

The fourth proportional to 104,424.72, 143,997.18 and 61,975.05 is: 85,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.72 : 143,997.18 = 61,975.05 : x
  2. Step 2: Convert to fraction form
    104,424.72/143,997.18 = 61,975.05/x
  3. Step 3: Cross multiply
    104,424.72x = 143,997.18 × 61,975.05
  4. Step 4: Simplify right side
    104,424.72x = 8,924,232,430.36
  5. Step 5: Solve for x
    x = 8,924,232,430.36/104,424.72
  6. Step 6: Final answer
    x = 85,460.92

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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.