Home / 210,266.04-290,123.82-120,824.76

Finding the Fourth Proportional to 210,266.04, 290,123.82 and 120,824.76

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Solution

The fourth proportional to 210,266.04, 290,123.82 and 120,824.76 is: 166,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,266.04 : 290,123.82 = 120,824.76 : x
  2. Step 2: Convert to fraction form
    210,266.04/290,123.82 = 120,824.76/x
  3. Step 3: Cross multiply
    210,266.04x = 290,123.82 × 120,824.76
  4. Step 4: Simplify right side
    210,266.04x = 35,054,140,921.78
  5. Step 5: Solve for x
    x = 35,054,140,921.78/210,266.04
  6. Step 6: Final answer
    x = 166,713.28

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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.