Home / 142,966.56-197,164.68-89,256.48

Finding the Fourth Proportional to 142,966.56, 197,164.68 and 89,256.48

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Solution

The fourth proportional to 142,966.56, 197,164.68 and 89,256.48 is: 123,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,966.56 : 197,164.68 = 89,256.48 : x
  2. Step 2: Convert to fraction form
    142,966.56/197,164.68 = 89,256.48/x
  3. Step 3: Cross multiply
    142,966.56x = 197,164.68 × 89,256.48
  4. Step 4: Simplify right side
    142,966.56x = 17,598,225,317.13
  5. Step 5: Solve for x
    x = 17,598,225,317.13/142,966.56
  6. Step 6: Final answer
    x = 123,093.30

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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.