Home / 179,815.65-248,135.90-111,830.71

Finding the Fourth Proportional to 179,815.65, 248,135.90 and 111,830.71

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Solution

The fourth proportional to 179,815.65, 248,135.90 and 111,830.71 is: 154,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815.65 : 248,135.90 = 111,830.71 : x
  2. Step 2: Convert to fraction form
    179,815.65/248,135.90 = 111,830.71/x
  3. Step 3: Cross multiply
    179,815.65x = 248,135.90 × 111,830.71
  4. Step 4: Simplify right side
    179,815.65x = 27,749,213,159.25
  5. Step 5: Solve for x
    x = 27,749,213,159.25/179,815.65
  6. Step 6: Final answer
    x = 154,320.34

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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.