Home / 104,236.72-143,847.16-56,490.12

Finding the Fourth Proportional to 104,236.72, 143,847.16 and 56,490.12

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Solution

The fourth proportional to 104,236.72, 143,847.16 and 56,490.12 is: 77,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,236.72 : 143,847.16 = 56,490.12 : x
  2. Step 2: Convert to fraction form
    104,236.72/143,847.16 = 56,490.12/x
  3. Step 3: Cross multiply
    104,236.72x = 143,847.16 × 56,490.12
  4. Step 4: Simplify right side
    104,236.72x = 8,125,943,188.83
  5. Step 5: Solve for x
    x = 8,125,943,188.83/104,236.72
  6. Step 6: Final answer
    x = 77,956.63

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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.