Home / 212,151.03-292,768.07-121,536.33

Finding the Fourth Proportional to 212,151.03, 292,768.07 and 121,536.33

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Solution

The fourth proportional to 212,151.03, 292,768.07 and 121,536.33 is: 167,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,151.03 : 292,768.07 = 121,536.33 : x
  2. Step 2: Convert to fraction form
    212,151.03/292,768.07 = 121,536.33/x
  3. Step 3: Cross multiply
    212,151.03x = 292,768.07 × 121,536.33
  4. Step 4: Simplify right side
    212,151.03x = 35,581,956,161.30
  5. Step 5: Solve for x
    x = 35,581,956,161.30/212,151.03
  6. Step 6: Final answer
    x = 167,719.93

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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.