Home / 118,377.21-163,376.28-75,361.08

Finding the Fourth Proportional to 118,377.21, 163,376.28 and 75,361.08

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Solution

The fourth proportional to 118,377.21, 163,376.28 and 75,361.08 is: 104,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,377.21 : 163,376.28 = 75,361.08 : x
  2. Step 2: Convert to fraction form
    118,377.21/163,376.28 = 75,361.08/x
  3. Step 3: Cross multiply
    118,377.21x = 163,376.28 × 75,361.08
  4. Step 4: Simplify right side
    118,377.21x = 12,312,212,907.18
  5. Step 5: Solve for x
    x = 12,312,212,907.18/118,377.21
  6. Step 6: Final answer
    x = 104,008.30

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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.