Home / 196,779.12-271,558.32-107,355.12

Finding the Fourth Proportional to 196,779.12, 271,558.32 and 107,355.12

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Solution

The fourth proportional to 196,779.12, 271,558.32 and 107,355.12 is: 148,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,779.12 : 271,558.32 = 107,355.12 : x
  2. Step 2: Convert to fraction form
    196,779.12/271,558.32 = 107,355.12/x
  3. Step 3: Cross multiply
    196,779.12x = 271,558.32 × 107,355.12
  4. Step 4: Simplify right side
    196,779.12x = 29,153,176,030.60
  5. Step 5: Solve for x
    x = 29,153,176,030.60/196,779.12
  6. Step 6: Final answer
    x = 148,151.78

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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.