Home / 197,684.34-272,804.56-107,040.36

Finding the Fourth Proportional to 197,684.34, 272,804.56 and 107,040.36

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Solution

The fourth proportional to 197,684.34, 272,804.56 and 107,040.36 is: 147,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,684.34 : 272,804.56 = 107,040.36 : x
  2. Step 2: Convert to fraction form
    197,684.34/272,804.56 = 107,040.36/x
  3. Step 3: Cross multiply
    197,684.34x = 272,804.56 × 107,040.36
  4. Step 4: Simplify right side
    197,684.34x = 29,201,098,312.04
  5. Step 5: Solve for x
    x = 29,201,098,312.04/197,684.34
  6. Step 6: Final answer
    x = 147,715.79

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1.5x scale

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.