Home / 142,541.79-196,638.36-94,162.62

Finding the Fourth Proportional to 142,541.79, 196,638.36 and 94,162.62

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Solution

The fourth proportional to 142,541.79, 196,638.36 and 94,162.62 is: 129,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,541.79 : 196,638.36 = 94,162.62 : x
  2. Step 2: Convert to fraction form
    142,541.79/196,638.36 = 94,162.62/x
  3. Step 3: Cross multiply
    142,541.79x = 196,638.36 × 94,162.62
  4. Step 4: Simplify right side
    142,541.79x = 18,515,983,170.10
  5. Step 5: Solve for x
    x = 18,515,983,170.10/142,541.79
  6. Step 6: Final answer
    x = 129,898.63

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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.