Home / 104,256.09-143,869.91-61,789.41

Finding the Fourth Proportional to 104,256.09, 143,869.91 and 61,789.41

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Solution

The fourth proportional to 104,256.09, 143,869.91 and 61,789.41 is: 85,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,256.09 : 143,869.91 = 61,789.41 : x
  2. Step 2: Convert to fraction form
    104,256.09/143,869.91 = 61,789.41/x
  3. Step 3: Cross multiply
    104,256.09x = 143,869.91 × 61,789.41
  4. Step 4: Simplify right side
    104,256.09x = 8,889,636,546.71
  5. Step 5: Solve for x
    x = 8,889,636,546.71/104,256.09
  6. Step 6: Final answer
    x = 85,267.31

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1.5x scale

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.