Home / 105,241.42-145,239.86-59,923.36

Finding the Fourth Proportional to 105,241.42, 145,239.86 and 59,923.36

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Solution

The fourth proportional to 105,241.42, 145,239.86 and 59,923.36 is: 82,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,241.42 : 145,239.86 = 59,923.36 : x
  2. Step 2: Convert to fraction form
    105,241.42/145,239.86 = 59,923.36/x
  3. Step 3: Cross multiply
    105,241.42x = 145,239.86 × 59,923.36
  4. Step 4: Simplify right side
    105,241.42x = 8,703,259,391.31
  5. Step 5: Solve for x
    x = 8,703,259,391.31/105,241.42
  6. Step 6: Final answer
    x = 82,698.05

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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.