Home / 189,278.98-283,878.34-70,959.04

Finding the Fourth Proportional to 189,278.98, 283,878.34 and 70,959.04

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Solution

The fourth proportional to 189,278.98, 283,878.34 and 70,959.04 is: 106,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,278.98 : 283,878.34 = 70,959.04 : x
  2. Step 2: Convert to fraction form
    189,278.98/283,878.34 = 70,959.04/x
  3. Step 3: Cross multiply
    189,278.98x = 283,878.34 × 70,959.04
  4. Step 4: Simplify right side
    189,278.98x = 20,143,733,596.10
  5. Step 5: Solve for x
    x = 20,143,733,596.10/189,278.98
  6. Step 6: Final answer
    x = 106,423.51

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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.