Home / 212,942.72-293,858.99-117,450.10

Finding the Fourth Proportional to 212,942.72, 293,858.99 and 117,450.10

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Solution

The fourth proportional to 212,942.72, 293,858.99 and 117,450.10 is: 162,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,942.72 : 293,858.99 = 117,450.10 : x
  2. Step 2: Convert to fraction form
    212,942.72/293,858.99 = 117,450.10/x
  3. Step 3: Cross multiply
    212,942.72x = 293,858.99 × 117,450.10
  4. Step 4: Simplify right side
    212,942.72x = 34,513,767,981.91
  5. Step 5: Solve for x
    x = 34,513,767,981.91/212,942.72
  6. Step 6: Final answer
    x = 162,080.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.