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Finding the Fourth Proportional to 104,186.39, 143,777.04 and 56,440.94

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Solution

The fourth proportional to 104,186.39, 143,777.04 and 56,440.94 is: 77,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.39 : 143,777.04 = 56,440.94 : x
  2. Step 2: Convert to fraction form
    104,186.39/143,777.04 = 56,440.94/x
  3. Step 3: Cross multiply
    104,186.39x = 143,777.04 × 56,440.94
  4. Step 4: Simplify right side
    104,186.39x = 8,114,911,288.02
  5. Step 5: Solve for x
    x = 8,114,911,288.02/104,186.39
  6. Step 6: Final answer
    x = 77,888.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.