Home / 102,127.44-140,933.84-56,804.45

Finding the Fourth Proportional to 102,127.44, 140,933.84 and 56,804.45

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Solution

The fourth proportional to 102,127.44, 140,933.84 and 56,804.45 is: 78,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,127.44 : 140,933.84 = 56,804.45 : x
  2. Step 2: Convert to fraction form
    102,127.44/140,933.84 = 56,804.45/x
  3. Step 3: Cross multiply
    102,127.44x = 140,933.84 × 56,804.45
  4. Step 4: Simplify right side
    102,127.44x = 8,005,669,057.26
  5. Step 5: Solve for x
    x = 8,005,669,057.26/102,127.44
  6. Step 6: Final answer
    x = 78,389.01

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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.