Home / 104,151.66-143,729.13-56,405.19

Finding the Fourth Proportional to 104,151.66, 143,729.13 and 56,405.19

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Solution

The fourth proportional to 104,151.66, 143,729.13 and 56,405.19 is: 77,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,151.66 : 143,729.13 = 56,405.19 : x
  2. Step 2: Convert to fraction form
    104,151.66/143,729.13 = 56,405.19/x
  3. Step 3: Cross multiply
    104,151.66x = 143,729.13 × 56,405.19
  4. Step 4: Simplify right side
    104,151.66x = 8,107,068,886.18
  5. Step 5: Solve for x
    x = 8,107,068,886.18/104,151.66
  6. Step 6: Final answer
    x = 77,839.08

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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.