Home / 189,602.11-284,445.53-71,274.47

Finding the Fourth Proportional to 189,602.11, 284,445.53 and 71,274.47

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Solution

The fourth proportional to 189,602.11, 284,445.53 and 71,274.47 is: 106,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,602.11 : 284,445.53 = 71,274.47 : x
  2. Step 2: Convert to fraction form
    189,602.11/284,445.53 = 71,274.47/x
  3. Step 3: Cross multiply
    189,602.11x = 284,445.53 × 71,274.47
  4. Step 4: Simplify right side
    189,602.11x = 20,273,705,283.92
  5. Step 5: Solve for x
    x = 20,273,705,283.92/189,602.11
  6. Step 6: Final answer
    x = 106,927.64

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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.