Home / 142,384.36-196,529.40-88,637.44

Finding the Fourth Proportional to 142,384.36, 196,529.40 and 88,637.44

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Solution

The fourth proportional to 142,384.36, 196,529.40 and 88,637.44 is: 122,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,384.36 : 196,529.40 = 88,637.44 : x
  2. Step 2: Convert to fraction form
    142,384.36/196,529.40 = 88,637.44/x
  3. Step 3: Cross multiply
    142,384.36x = 196,529.40 × 88,637.44
  4. Step 4: Simplify right side
    142,384.36x = 17,419,862,900.74
  5. Step 5: Solve for x
    x = 17,419,862,900.74/142,384.36
  6. Step 6: Final answer
    x = 122,343.94

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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.