Home / 212,779.48-293,648.82-117,285.96

Finding the Fourth Proportional to 212,779.48, 293,648.82 and 117,285.96

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Solution

The fourth proportional to 212,779.48, 293,648.82 and 117,285.96 is: 161,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,779.48 : 293,648.82 = 117,285.96 : x
  2. Step 2: Convert to fraction form
    212,779.48/293,648.82 = 117,285.96/x
  3. Step 3: Cross multiply
    212,779.48x = 293,648.82 × 117,285.96
  4. Step 4: Simplify right side
    212,779.48x = 34,440,883,756.57
  5. Step 5: Solve for x
    x = 34,440,883,756.57/212,779.48
  6. Step 6: Final answer
    x = 161,861.87

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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.