Home / 189,960.32-284,862.60-84,707.36

Finding the Fourth Proportional to 189,960.32, 284,862.60 and 84,707.36

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Solution

The fourth proportional to 189,960.32, 284,862.60 and 84,707.36 is: 127,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,960.32 : 284,862.60 = 84,707.36 : x
  2. Step 2: Convert to fraction form
    189,960.32/284,862.60 = 84,707.36/x
  3. Step 3: Cross multiply
    189,960.32x = 284,862.60 × 84,707.36
  4. Step 4: Simplify right side
    189,960.32x = 24,129,958,808.74
  5. Step 5: Solve for x
    x = 24,129,958,808.74/189,960.32
  6. Step 6: Final answer
    x = 127,026.31

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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.