Home / 189,380.06-284,058.94-71,041.50

Finding the Fourth Proportional to 189,380.06, 284,058.94 and 71,041.50

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Solution

The fourth proportional to 189,380.06, 284,058.94 and 71,041.50 is: 106,558.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,380.06 : 284,058.94 = 71,041.50 : x
  2. Step 2: Convert to fraction form
    189,380.06/284,058.94 = 71,041.50/x
  3. Step 3: Cross multiply
    189,380.06x = 284,058.94 × 71,041.50
  4. Step 4: Simplify right side
    189,380.06x = 20,179,973,186.01
  5. Step 5: Solve for x
    x = 20,179,973,186.01/189,380.06
  6. Step 6: Final answer
    x = 106,558.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.