Home / 141,903.06-195,860.34-85,303.50

Finding the Fourth Proportional to 141,903.06, 195,860.34 and 85,303.50

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Solution

The fourth proportional to 141,903.06, 195,860.34 and 85,303.50 is: 117,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,903.06 : 195,860.34 = 85,303.50 : x
  2. Step 2: Convert to fraction form
    141,903.06/195,860.34 = 85,303.50/x
  3. Step 3: Cross multiply
    141,903.06x = 195,860.34 × 85,303.50
  4. Step 4: Simplify right side
    141,903.06x = 16,707,572,513.19
  5. Step 5: Solve for x
    x = 16,707,572,513.19/141,903.06
  6. Step 6: Final answer
    x = 117,739.34

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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.