Home / 142,242.09-213,371.34-53,496.36

Finding the Fourth Proportional to 142,242.09, 213,371.34 and 53,496.36

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Solution

The fourth proportional to 142,242.09, 213,371.34 and 53,496.36 is: 80,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,242.09 : 213,371.34 = 53,496.36 : x
  2. Step 2: Convert to fraction form
    142,242.09/213,371.34 = 53,496.36/x
  3. Step 3: Cross multiply
    142,242.09x = 213,371.34 × 53,496.36
  4. Step 4: Simplify right side
    142,242.09x = 11,414,590,018.32
  5. Step 5: Solve for x
    x = 11,414,590,018.32/142,242.09
  6. Step 6: Final answer
    x = 80,247.63

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1.5x scale

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.