Home / 78,368.45-108,150.60-46,105.34

Finding the Fourth Proportional to 78,368.45, 108,150.60 and 46,105.34

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Solution

The fourth proportional to 78,368.45, 108,150.60 and 46,105.34 is: 63,626.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,368.45 : 108,150.60 = 46,105.34 : x
  2. Step 2: Convert to fraction form
    78,368.45/108,150.60 = 46,105.34/x
  3. Step 3: Cross multiply
    78,368.45x = 108,150.60 × 46,105.34
  4. Step 4: Simplify right side
    78,368.45x = 4,986,319,643.45
  5. Step 5: Solve for x
    x = 4,986,319,643.45/78,368.45
  6. Step 6: Final answer
    x = 63,626.62

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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.