Home / 190,389.31-262,740.63-104,342.59

Finding the Fourth Proportional to 190,389.31, 262,740.63 and 104,342.59

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Solution

The fourth proportional to 190,389.31, 262,740.63 and 104,342.59 is: 143,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,389.31 : 262,740.63 = 104,342.59 : x
  2. Step 2: Convert to fraction form
    190,389.31/262,740.63 = 104,342.59/x
  3. Step 3: Cross multiply
    190,389.31x = 262,740.63 × 104,342.59
  4. Step 4: Simplify right side
    190,389.31x = 27,415,037,832.43
  5. Step 5: Solve for x
    x = 27,415,037,832.43/190,389.31
  6. Step 6: Final answer
    x = 143,994.63

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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.