Home / 142,916.20-196,729.36-123,526.28

Finding the Fourth Proportional to 142,916.20, 196,729.36 and 123,526.28

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Solution

The fourth proportional to 142,916.20, 196,729.36 and 123,526.28 is: 170,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,916.20 : 196,729.36 = 123,526.28 : x
  2. Step 2: Convert to fraction form
    142,916.20/196,729.36 = 123,526.28/x
  3. Step 3: Cross multiply
    142,916.20x = 196,729.36 × 123,526.28
  4. Step 4: Simplify right side
    142,916.20x = 24,301,246,190.59
  5. Step 5: Solve for x
    x = 24,301,246,190.59/142,916.20
  6. Step 6: Final answer
    x = 170,038.43

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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.