Home / 142,086.36-213,073.74-53,291.46

Finding the Fourth Proportional to 142,086.36, 213,073.74 and 53,291.46

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Solution

The fourth proportional to 142,086.36, 213,073.74 and 53,291.46 is: 79,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,086.36 : 213,073.74 = 53,291.46 : x
  2. Step 2: Convert to fraction form
    142,086.36/213,073.74 = 53,291.46/x
  3. Step 3: Cross multiply
    142,086.36x = 213,073.74 × 53,291.46
  4. Step 4: Simplify right side
    142,086.36x = 11,355,010,692.26
  5. Step 5: Solve for x
    x = 11,355,010,692.26/142,086.36
  6. Step 6: Final answer
    x = 79,916.26

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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.