Home / 189,457.88-261,451.90-104,574.96

Finding the Fourth Proportional to 189,457.88, 261,451.90 and 104,574.96

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Solution

The fourth proportional to 189,457.88, 261,451.90 and 104,574.96 is: 144,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,457.88 : 261,451.90 = 104,574.96 : x
  2. Step 2: Convert to fraction form
    189,457.88/261,451.90 = 104,574.96/x
  3. Step 3: Cross multiply
    189,457.88x = 261,451.90 × 104,574.96
  4. Step 4: Simplify right side
    189,457.88x = 27,341,321,984.42
  5. Step 5: Solve for x
    x = 27,341,321,984.42/189,457.88
  6. Step 6: Final answer
    x = 144,313.46

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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.