Home / 118,435.32-163,450.05-67,450.20

Finding the Fourth Proportional to 118,435.32, 163,450.05 and 67,450.20

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Solution

The fourth proportional to 118,435.32, 163,450.05 and 67,450.20 is: 93,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,435.32 : 163,450.05 = 67,450.20 : x
  2. Step 2: Convert to fraction form
    118,435.32/163,450.05 = 67,450.20/x
  3. Step 3: Cross multiply
    118,435.32x = 163,450.05 × 67,450.20
  4. Step 4: Simplify right side
    118,435.32x = 11,024,738,562.51
  5. Step 5: Solve for x
    x = 11,024,738,562.51/118,435.32
  6. Step 6: Final answer
    x = 93,086.58

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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.