Home / 130,994.47-180,769.90-82,586.59

Finding the Fourth Proportional to 130,994.47, 180,769.90 and 82,586.59

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Solution

The fourth proportional to 130,994.47, 180,769.90 and 82,586.59 is: 113,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,994.47 : 180,769.90 = 82,586.59 : x
  2. Step 2: Convert to fraction form
    130,994.47/180,769.90 = 82,586.59/x
  3. Step 3: Cross multiply
    130,994.47x = 180,769.90 × 82,586.59
  4. Step 4: Simplify right side
    130,994.47x = 14,929,169,344.37
  5. Step 5: Solve for x
    x = 14,929,169,344.37/130,994.47
  6. Step 6: Final answer
    x = 113,967.94

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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.