Home / 208,522.40-287,761.20-113,029.04

Finding the Fourth Proportional to 208,522.40, 287,761.20 and 113,029.04

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Solution

The fourth proportional to 208,522.40, 287,761.20 and 113,029.04 is: 155,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,522.40 : 287,761.20 = 113,029.04 : x
  2. Step 2: Convert to fraction form
    208,522.40/287,761.20 = 113,029.04/x
  3. Step 3: Cross multiply
    208,522.40x = 287,761.20 × 113,029.04
  4. Step 4: Simplify right side
    208,522.40x = 32,525,372,185.25
  5. Step 5: Solve for x
    x = 32,525,372,185.25/208,522.40
  6. Step 6: Final answer
    x = 155,980.23

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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.