Home / 130,427.60-179,991.06-73,837.76

Finding the Fourth Proportional to 130,427.60, 179,991.06 and 73,837.76

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Solution

The fourth proportional to 130,427.60, 179,991.06 and 73,837.76 is: 101,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,427.60 : 179,991.06 = 73,837.76 : x
  2. Step 2: Convert to fraction form
    130,427.60/179,991.06 = 73,837.76/x
  3. Step 3: Cross multiply
    130,427.60x = 179,991.06 × 73,837.76
  4. Step 4: Simplify right side
    130,427.60x = 13,290,136,690.43
  5. Step 5: Solve for x
    x = 13,290,136,690.43/130,427.60
  6. Step 6: Final answer
    x = 101,896.66

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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.