Home / 197,466.24-272,219.92-140,779.20

Finding the Fourth Proportional to 197,466.24, 272,219.92 and 140,779.20

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Solution

The fourth proportional to 197,466.24, 272,219.92 and 140,779.20 is: 194,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,466.24 : 272,219.92 = 140,779.20 : x
  2. Step 2: Convert to fraction form
    197,466.24/272,219.92 = 140,779.20/x
  3. Step 3: Cross multiply
    197,466.24x = 272,219.92 × 140,779.20
  4. Step 4: Simplify right side
    197,466.24x = 38,322,902,561.66
  5. Step 5: Solve for x
    x = 38,322,902,561.66/197,466.24
  6. Step 6: Final answer
    x = 194,073.19

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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.