Home / 210,374.80-290,283.24-120,933.52

Finding the Fourth Proportional to 210,374.80, 290,283.24 and 120,933.52

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Solution

The fourth proportional to 210,374.80, 290,283.24 and 120,933.52 is: 166,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374.80 : 290,283.24 = 120,933.52 : x
  2. Step 2: Convert to fraction form
    210,374.80/290,283.24 = 120,933.52/x
  3. Step 3: Cross multiply
    210,374.80x = 290,283.24 × 120,933.52
  4. Step 4: Simplify right side
    210,374.80x = 35,104,974,010.20
  5. Step 5: Solve for x
    x = 35,104,974,010.20/210,374.80
  6. Step 6: Final answer
    x = 166,868.72

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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.