Home / 100,832.36-151,197.48-56,447.19

Finding the Fourth Proportional to 100,832.36, 151,197.48 and 56,447.19

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Solution

The fourth proportional to 100,832.36, 151,197.48 and 56,447.19 is: 84,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,832.36 : 151,197.48 = 56,447.19 : x
  2. Step 2: Convert to fraction form
    100,832.36/151,197.48 = 56,447.19/x
  3. Step 3: Cross multiply
    100,832.36x = 151,197.48 × 56,447.19
  4. Step 4: Simplify right side
    100,832.36x = 8,534,672,881.08
  5. Step 5: Solve for x
    x = 8,534,672,881.08/100,832.36
  6. Step 6: Final answer
    x = 84,642.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.