Home / 142,945.02-197,273.07-82,526.72

Finding the Fourth Proportional to 142,945.02, 197,273.07 and 82,526.72

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Solution

The fourth proportional to 142,945.02, 197,273.07 and 82,526.72 is: 113,892.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,945.02 : 197,273.07 = 82,526.72 : x
  2. Step 2: Convert to fraction form
    142,945.02/197,273.07 = 82,526.72/x
  3. Step 3: Cross multiply
    142,945.02x = 197,273.07 × 82,526.72
  4. Step 4: Simplify right side
    142,945.02x = 16,280,298,425.07
  5. Step 5: Solve for x
    x = 16,280,298,425.07/142,945.02
  6. Step 6: Final answer
    x = 113,892.03

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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.