Home / 111,670.60-154,106.04-60,683.72

Finding the Fourth Proportional to 111,670.60, 154,106.04 and 60,683.72

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Solution

The fourth proportional to 111,670.60, 154,106.04 and 60,683.72 is: 83,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,670.60 : 154,106.04 = 60,683.72 : x
  2. Step 2: Convert to fraction form
    111,670.60/154,106.04 = 60,683.72/x
  3. Step 3: Cross multiply
    111,670.60x = 154,106.04 × 60,683.72
  4. Step 4: Simplify right side
    111,670.60x = 9,351,727,781.67
  5. Step 5: Solve for x
    x = 9,351,727,781.67/111,670.60
  6. Step 6: Final answer
    x = 83,743.87

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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.