Home / 78,369.21-108,151.65-46,106.10

Finding the Fourth Proportional to 78,369.21, 108,151.65 and 46,106.10

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Solution

The fourth proportional to 78,369.21, 108,151.65 and 46,106.10 is: 63,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,369.21 : 108,151.65 = 46,106.10 : x
  2. Step 2: Convert to fraction form
    78,369.21/108,151.65 = 46,106.10/x
  3. Step 3: Cross multiply
    78,369.21x = 108,151.65 × 46,106.10
  4. Step 4: Simplify right side
    78,369.21x = 4,986,450,790.07
  5. Step 5: Solve for x
    x = 4,986,450,790.07/78,369.21
  6. Step 6: Final answer
    x = 63,627.68

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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.