Home / 189,260.20-284,035.74-141,348.52

Finding the Fourth Proportional to 189,260.20, 284,035.74 and 141,348.52

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Solution

The fourth proportional to 189,260.20, 284,035.74 and 141,348.52 is: 212,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,260.20 : 284,035.74 = 141,348.52 : x
  2. Step 2: Convert to fraction form
    189,260.20/284,035.74 = 141,348.52/x
  3. Step 3: Cross multiply
    189,260.20x = 284,035.74 × 141,348.52
  4. Step 4: Simplify right side
    189,260.20x = 40,148,031,476.10
  5. Step 5: Solve for x
    x = 40,148,031,476.10/189,260.20
  6. Step 6: Final answer
    x = 212,131.40

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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.