Home / 86,430.56-119,273.46-48,189.64

Finding the Fourth Proportional to 86,430.56, 119,273.46 and 48,189.64

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Solution

The fourth proportional to 86,430.56, 119,273.46 and 48,189.64 is: 66,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,430.56 : 119,273.46 = 48,189.64 : x
  2. Step 2: Convert to fraction form
    86,430.56/119,273.46 = 48,189.64/x
  3. Step 3: Cross multiply
    86,430.56x = 119,273.46 × 48,189.64
  4. Step 4: Simplify right side
    86,430.56x = 5,747,745,098.95
  5. Step 5: Solve for x
    x = 5,747,745,098.95/86,430.56
  6. Step 6: Final answer
    x = 66,501.31

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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.