Home / 212,900.36-293,789.05-122,192.47

Finding the Fourth Proportional to 212,900.36, 293,789.05 and 122,192.47

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Solution

The fourth proportional to 212,900.36, 293,789.05 and 122,192.47 is: 168,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,900.36 : 293,789.05 = 122,192.47 : x
  2. Step 2: Convert to fraction form
    212,900.36/293,789.05 = 122,192.47/x
  3. Step 3: Cross multiply
    212,900.36x = 293,789.05 × 122,192.47
  4. Step 4: Simplify right side
    212,900.36x = 35,898,808,638.50
  5. Step 5: Solve for x
    x = 35,898,808,638.50/212,900.36
  6. Step 6: Final answer
    x = 168,617.89

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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.