Home / 104,066.06-143,611.16-56,319.41

Finding the Fourth Proportional to 104,066.06, 143,611.16 and 56,319.41

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Solution

The fourth proportional to 104,066.06, 143,611.16 and 56,319.41 is: 77,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.06 : 143,611.16 = 56,319.41 : x
  2. Step 2: Convert to fraction form
    104,066.06/143,611.16 = 56,319.41/x
  3. Step 3: Cross multiply
    104,066.06x = 143,611.16 × 56,319.41
  4. Step 4: Simplify right side
    104,066.06x = 8,088,095,012.16
  5. Step 5: Solve for x
    x = 8,088,095,012.16/104,066.06
  6. Step 6: Final answer
    x = 77,720.78

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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.