Home / 118,230.90-177,346.35-111,815.70

Finding the Fourth Proportional to 118,230.90, 177,346.35 and 111,815.70

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Solution

The fourth proportional to 118,230.90, 177,346.35 and 111,815.70 is: 167,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.90 : 177,346.35 = 111,815.70 : x
  2. Step 2: Convert to fraction form
    118,230.90/177,346.35 = 111,815.70/x
  3. Step 3: Cross multiply
    118,230.90x = 177,346.35 × 111,815.70
  4. Step 4: Simplify right side
    118,230.90x = 19,830,106,267.70
  5. Step 5: Solve for x
    x = 19,830,106,267.70/118,230.90
  6. Step 6: Final answer
    x = 167,723.55

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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.