Home / 189,825.24-284,877.77-89,985.05

Finding the Fourth Proportional to 189,825.24, 284,877.77 and 89,985.05

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Solution

The fourth proportional to 189,825.24, 284,877.77 and 89,985.05 is: 135,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,825.24 : 284,877.77 = 89,985.05 : x
  2. Step 2: Convert to fraction form
    189,825.24/284,877.77 = 89,985.05/x
  3. Step 3: Cross multiply
    189,825.24x = 284,877.77 × 89,985.05
  4. Step 4: Simplify right side
    189,825.24x = 25,634,739,571.32
  5. Step 5: Solve for x
    x = 25,634,739,571.32/189,825.24
  6. Step 6: Final answer
    x = 135,043.89

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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.