Home / 163,670.33-245,162.86-131,900.51

Finding the Fourth Proportional to 163,670.33, 245,162.86 and 131,900.51

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Solution

The fourth proportional to 163,670.33, 245,162.86 and 131,900.51 is: 197,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.33 : 245,162.86 = 131,900.51 : x
  2. Step 2: Convert to fraction form
    163,670.33/245,162.86 = 131,900.51/x
  3. Step 3: Cross multiply
    163,670.33x = 245,162.86 × 131,900.51
  4. Step 4: Simplify right side
    163,670.33x = 32,337,106,550.21
  5. Step 5: Solve for x
    x = 32,337,106,550.21/163,670.33
  6. Step 6: Final answer
    x = 197,574.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.