Home / 189,225.55-283,838.33-129,881.31

Finding the Fourth Proportional to 189,225.55, 283,838.33 and 129,881.31

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Solution

The fourth proportional to 189,225.55, 283,838.33 and 129,881.31 is: 194,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,225.55 : 283,838.33 = 129,881.31 : x
  2. Step 2: Convert to fraction form
    189,225.55/283,838.33 = 129,881.31/x
  3. Step 3: Cross multiply
    189,225.55x = 283,838.33 × 129,881.31
  4. Step 4: Simplify right side
    189,225.55x = 36,865,294,128.61
  5. Step 5: Solve for x
    x = 36,865,294,128.61/189,225.55
  6. Step 6: Final answer
    x = 194,821.97

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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.