Home / 152,644.39-210,405.95-120,326.35

Finding the Fourth Proportional to 152,644.39, 210,405.95 and 120,326.35

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Solution

The fourth proportional to 152,644.39, 210,405.95 and 120,326.35 is: 165,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,644.39 : 210,405.95 = 120,326.35 : x
  2. Step 2: Convert to fraction form
    152,644.39/210,405.95 = 120,326.35/x
  3. Step 3: Cross multiply
    152,644.39x = 210,405.95 × 120,326.35
  4. Step 4: Simplify right side
    152,644.39x = 25,317,379,230.57
  5. Step 5: Solve for x
    x = 25,317,379,230.57/152,644.39
  6. Step 6: Final answer
    x = 165,858.56

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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.