Home / 104,066.31-143,611.50-56,319.66

Finding the Fourth Proportional to 104,066.31, 143,611.50 and 56,319.66

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Solution

The fourth proportional to 104,066.31, 143,611.50 and 56,319.66 is: 77,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.31 : 143,611.50 = 56,319.66 : x
  2. Step 2: Convert to fraction form
    104,066.31/143,611.50 = 56,319.66/x
  3. Step 3: Cross multiply
    104,066.31x = 143,611.50 × 56,319.66
  4. Step 4: Simplify right side
    104,066.31x = 8,088,150,852.09
  5. Step 5: Solve for x
    x = 8,088,150,852.09/104,066.31
  6. Step 6: Final answer
    x = 77,721.13

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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.