Home / 154,453.06-213,081.89-93,975.22

Finding the Fourth Proportional to 154,453.06, 213,081.89 and 93,975.22

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Solution

The fourth proportional to 154,453.06, 213,081.89 and 93,975.22 is: 129,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,453.06 : 213,081.89 = 93,975.22 : x
  2. Step 2: Convert to fraction form
    154,453.06/213,081.89 = 93,975.22/x
  3. Step 3: Cross multiply
    154,453.06x = 213,081.89 × 93,975.22
  4. Step 4: Simplify right side
    154,453.06x = 20,024,417,287.24
  5. Step 5: Solve for x
    x = 20,024,417,287.24/154,453.06
  6. Step 6: Final answer
    x = 129,647.27

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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.