Home / 189,315.07-283,976.70-56,204.67

Finding the Fourth Proportional to 189,315.07, 283,976.70 and 56,204.67

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Solution

The fourth proportional to 189,315.07, 283,976.70 and 56,204.67 is: 84,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,315.07 : 283,976.70 = 56,204.67 : x
  2. Step 2: Convert to fraction form
    189,315.07/283,976.70 = 56,204.67/x
  3. Step 3: Cross multiply
    189,315.07x = 283,976.70 × 56,204.67
  4. Step 4: Simplify right side
    189,315.07x = 15,960,816,711.19
  5. Step 5: Solve for x
    x = 15,960,816,711.19/189,315.07
  6. Step 6: Final answer
    x = 84,308.22

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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.