Home / 131,415.62-181,353.63-70,986.26

Finding the Fourth Proportional to 131,415.62, 181,353.63 and 70,986.26

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Solution

The fourth proportional to 131,415.62, 181,353.63 and 70,986.26 is: 97,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415.62 : 181,353.63 = 70,986.26 : x
  2. Step 2: Convert to fraction form
    131,415.62/181,353.63 = 70,986.26/x
  3. Step 3: Cross multiply
    131,415.62x = 181,353.63 × 70,986.26
  4. Step 4: Simplify right side
    131,415.62x = 12,873,616,118.31
  5. Step 5: Solve for x
    x = 12,873,616,118.31/131,415.62
  6. Step 6: Final answer
    x = 97,961.08

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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.