Home / 118,317.33-163,450.64-102,374.10

Finding the Fourth Proportional to 118,317.33, 163,450.64 and 102,374.10

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Solution

The fourth proportional to 118,317.33, 163,450.64 and 102,374.10 is: 141,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,317.33 : 163,450.64 = 102,374.10 : x
  2. Step 2: Convert to fraction form
    118,317.33/163,450.64 = 102,374.10/x
  3. Step 3: Cross multiply
    118,317.33x = 163,450.64 × 102,374.10
  4. Step 4: Simplify right side
    118,317.33x = 16,733,112,420.36
  5. Step 5: Solve for x
    x = 16,733,112,420.36/118,317.33
  6. Step 6: Final answer
    x = 141,425.71

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1.5x scale

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.