Home / 78,785.24-118,177.80-23,381.24

Finding the Fourth Proportional to 78,785.24, 118,177.80 and 23,381.24

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Solution

The fourth proportional to 78,785.24, 118,177.80 and 23,381.24 is: 35,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,785.24 : 118,177.80 = 23,381.24 : x
  2. Step 2: Convert to fraction form
    78,785.24/118,177.80 = 23,381.24/x
  3. Step 3: Cross multiply
    78,785.24x = 118,177.80 × 23,381.24
  4. Step 4: Simplify right side
    78,785.24x = 2,763,143,504.47
  5. Step 5: Solve for x
    x = 2,763,143,504.47/78,785.24
  6. Step 6: Final answer
    x = 35,071.84

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1.5x scale

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.