Home / 140,741.02-194,224.26-77,081.50

Finding the Fourth Proportional to 140,741.02, 194,224.26 and 77,081.50

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Solution

The fourth proportional to 140,741.02, 194,224.26 and 77,081.50 is: 106,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.02 : 194,224.26 = 77,081.50 : x
  2. Step 2: Convert to fraction form
    140,741.02/194,224.26 = 77,081.50/x
  3. Step 3: Cross multiply
    140,741.02x = 194,224.26 × 77,081.50
  4. Step 4: Simplify right side
    140,741.02x = 14,971,097,297.19
  5. Step 5: Solve for x
    x = 14,971,097,297.19/140,741.02
  6. Step 6: Final answer
    x = 106,373.37

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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.