Home / 145,015.36-217,533.44-60,690.63

Finding the Fourth Proportional to 145,015.36, 217,533.44 and 60,690.63

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Solution

The fourth proportional to 145,015.36, 217,533.44 and 60,690.63 is: 91,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,015.36 : 217,533.44 = 60,690.63 : x
  2. Step 2: Convert to fraction form
    145,015.36/217,533.44 = 60,690.63/x
  3. Step 3: Cross multiply
    145,015.36x = 217,533.44 × 60,690.63
  4. Step 4: Simplify right side
    145,015.36x = 13,202,241,216.21
  5. Step 5: Solve for x
    x = 13,202,241,216.21/145,015.36
  6. Step 6: Final answer
    x = 91,040.30

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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.