Home / 242,023.65-333,986.86-131,639.51

Finding the Fourth Proportional to 242,023.65, 333,986.86 and 131,639.51

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Solution

The fourth proportional to 242,023.65, 333,986.86 and 131,639.51 is: 181,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,023.65 : 333,986.86 = 131,639.51 : x
  2. Step 2: Convert to fraction form
    242,023.65/333,986.86 = 131,639.51/x
  3. Step 3: Cross multiply
    242,023.65x = 333,986.86 × 131,639.51
  4. Step 4: Simplify right side
    242,023.65x = 43,965,867,596.36
  5. Step 5: Solve for x
    x = 43,965,867,596.36/242,023.65
  6. Step 6: Final answer
    x = 181,659.39

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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.