Home / 197,421.30-272,440.53-106,777.37

Finding the Fourth Proportional to 197,421.30, 272,440.53 and 106,777.37

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Solution

The fourth proportional to 197,421.30, 272,440.53 and 106,777.37 is: 147,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,421.30 : 272,440.53 = 106,777.37 : x
  2. Step 2: Convert to fraction form
    197,421.30/272,440.53 = 106,777.37/x
  3. Step 3: Cross multiply
    197,421.30x = 272,440.53 × 106,777.37
  4. Step 4: Simplify right side
    197,421.30x = 29,090,483,955.91
  5. Step 5: Solve for x
    x = 29,090,483,955.91/197,421.30
  6. Step 6: Final answer
    x = 147,352.31

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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.