Home / 212,055.24-317,666.70-123,122.28

Finding the Fourth Proportional to 212,055.24, 317,666.70 and 123,122.28

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Solution

The fourth proportional to 212,055.24, 317,666.70 and 123,122.28 is: 184,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,055.24 : 317,666.70 = 123,122.28 : x
  2. Step 2: Convert to fraction form
    212,055.24/317,666.70 = 123,122.28/x
  3. Step 3: Cross multiply
    212,055.24x = 317,666.70 × 123,122.28
  4. Step 4: Simplify right side
    212,055.24x = 39,111,848,384.08
  5. Step 5: Solve for x
    x = 39,111,848,384.08/212,055.24
  6. Step 6: Final answer
    x = 184,441.79

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1.5x scale

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.