Home / 105,241.56-145,232.82-57,497.64

Finding the Fourth Proportional to 105,241.56, 145,232.82 and 57,497.64

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Solution

The fourth proportional to 105,241.56, 145,232.82 and 57,497.64 is: 79,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,241.56 : 145,232.82 = 57,497.64 : x
  2. Step 2: Convert to fraction form
    105,241.56/145,232.82 = 57,497.64/x
  3. Step 3: Cross multiply
    105,241.56x = 145,232.82 × 57,497.64
  4. Step 4: Simplify right side
    105,241.56x = 8,350,544,400.54
  5. Step 5: Solve for x
    x = 8,350,544,400.54/105,241.56
  6. Step 6: Final answer
    x = 79,346.45

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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.