Home / 196,134.12-294,270.30-71,487.72

Finding the Fourth Proportional to 196,134.12, 294,270.30 and 71,487.72

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Solution

The fourth proportional to 196,134.12, 294,270.30 and 71,487.72 is: 107,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,134.12 : 294,270.30 = 71,487.72 : x
  2. Step 2: Convert to fraction form
    196,134.12/294,270.30 = 71,487.72/x
  3. Step 3: Cross multiply
    196,134.12x = 294,270.30 × 71,487.72
  4. Step 4: Simplify right side
    196,134.12x = 21,036,712,810.72
  5. Step 5: Solve for x
    x = 21,036,712,810.72/196,134.12
  6. Step 6: Final answer
    x = 107,256.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.