Home / 197,615.89-272,710.59-106,971.83

Finding the Fourth Proportional to 197,615.89, 272,710.59 and 106,971.83

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Solution

The fourth proportional to 197,615.89, 272,710.59 and 106,971.83 is: 147,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,615.89 : 272,710.59 = 106,971.83 : x
  2. Step 2: Convert to fraction form
    197,615.89/272,710.59 = 106,971.83/x
  3. Step 3: Cross multiply
    197,615.89x = 272,710.59 × 106,971.83
  4. Step 4: Simplify right side
    197,615.89x = 29,172,349,509.13
  5. Step 5: Solve for x
    x = 29,172,349,509.13/197,615.89
  6. Step 6: Final answer
    x = 147,621.48

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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.