Home / 197,509.78-272,562.33-112,625.02

Finding the Fourth Proportional to 197,509.78, 272,562.33 and 112,625.02

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Solution

The fourth proportional to 197,509.78, 272,562.33 and 112,625.02 is: 155,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,509.78 : 272,562.33 = 112,625.02 : x
  2. Step 2: Convert to fraction form
    197,509.78/272,562.33 = 112,625.02/x
  3. Step 3: Cross multiply
    197,509.78x = 272,562.33 × 112,625.02
  4. Step 4: Simplify right side
    197,509.78x = 30,697,337,867.50
  5. Step 5: Solve for x
    x = 30,697,337,867.50/197,509.78
  6. Step 6: Final answer
    x = 155,421.86

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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.