Home / 113,905.78-170,893.33-53,980.16

Finding the Fourth Proportional to 113,905.78, 170,893.33 and 53,980.16

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Solution

The fourth proportional to 113,905.78, 170,893.33 and 53,980.16 is: 80,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,905.78 : 170,893.33 = 53,980.16 : x
  2. Step 2: Convert to fraction form
    113,905.78/170,893.33 = 53,980.16/x
  3. Step 3: Cross multiply
    113,905.78x = 170,893.33 × 53,980.16
  4. Step 4: Simplify right side
    113,905.78x = 9,224,848,306.92
  5. Step 5: Solve for x
    x = 9,224,848,306.92/113,905.78
  6. Step 6: Final answer
    x = 80,986.66

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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.