Home / 103,702.32-155,518.88-40,506.05

Finding the Fourth Proportional to 103,702.32, 155,518.88 and 40,506.05

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Solution

The fourth proportional to 103,702.32, 155,518.88 and 40,506.05 is: 60,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,702.32 : 155,518.88 = 40,506.05 : x
  2. Step 2: Convert to fraction form
    103,702.32/155,518.88 = 40,506.05/x
  3. Step 3: Cross multiply
    103,702.32x = 155,518.88 × 40,506.05
  4. Step 4: Simplify right side
    103,702.32x = 6,299,455,529.22
  5. Step 5: Solve for x
    x = 6,299,455,529.22/103,702.32
  6. Step 6: Final answer
    x = 60,745.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.