Home / 126,389.22-189,583.29-51,492.66

Finding the Fourth Proportional to 126,389.22, 189,583.29 and 51,492.66

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Solution

The fourth proportional to 126,389.22, 189,583.29 and 51,492.66 is: 77,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,389.22 : 189,583.29 = 51,492.66 : x
  2. Step 2: Convert to fraction form
    126,389.22/189,583.29 = 51,492.66/x
  3. Step 3: Cross multiply
    126,389.22x = 189,583.29 × 51,492.66
  4. Step 4: Simplify right side
    126,389.22x = 9,762,147,893.65
  5. Step 5: Solve for x
    x = 9,762,147,893.65/126,389.22
  6. Step 6: Final answer
    x = 77,238.77

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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.