Home / 142,904.90-197,194.52-82,495.02

Finding the Fourth Proportional to 142,904.90, 197,194.52 and 82,495.02

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Solution

The fourth proportional to 142,904.90, 197,194.52 and 82,495.02 is: 113,834.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,904.90 : 197,194.52 = 82,495.02 : x
  2. Step 2: Convert to fraction form
    142,904.90/197,194.52 = 82,495.02/x
  3. Step 3: Cross multiply
    142,904.90x = 197,194.52 × 82,495.02
  4. Step 4: Simplify right side
    142,904.90x = 16,267,565,871.29
  5. Step 5: Solve for x
    x = 16,267,565,871.29/142,904.90
  6. Step 6: Final answer
    x = 113,834.91

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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.