Home / 118,211.60-177,317.40-114,931.10

Finding the Fourth Proportional to 118,211.60, 177,317.40 and 114,931.10

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Solution

The fourth proportional to 118,211.60, 177,317.40 and 114,931.10 is: 172,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,211.60 : 177,317.40 = 114,931.10 : x
  2. Step 2: Convert to fraction form
    118,211.60/177,317.40 = 114,931.10/x
  3. Step 3: Cross multiply
    118,211.60x = 177,317.40 × 114,931.10
  4. Step 4: Simplify right side
    118,211.60x = 20,379,283,831.14
  5. Step 5: Solve for x
    x = 20,379,283,831.14/118,211.60
  6. Step 6: Final answer
    x = 172,396.65

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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.