Home / 86,464.37-119,376.36-54,243.16

Finding the Fourth Proportional to 86,464.37, 119,376.36 and 54,243.16

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Solution

The fourth proportional to 86,464.37, 119,376.36 and 54,243.16 is: 74,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.37 : 119,376.36 = 54,243.16 : x
  2. Step 2: Convert to fraction form
    86,464.37/119,376.36 = 54,243.16/x
  3. Step 3: Cross multiply
    86,464.37x = 119,376.36 × 54,243.16
  4. Step 4: Simplify right side
    86,464.37x = 6,475,350,697.26
  5. Step 5: Solve for x
    x = 6,475,350,697.26/86,464.37
  6. Step 6: Final answer
    x = 74,890.39

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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.