Home / 99,880.40-149,776.86-29,745.74

Finding the Fourth Proportional to 99,880.40, 149,776.86 and 29,745.74

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Solution

The fourth proportional to 99,880.40, 149,776.86 and 29,745.74 is: 44,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,880.40 : 149,776.86 = 29,745.74 : x
  2. Step 2: Convert to fraction form
    99,880.40/149,776.86 = 29,745.74/x
  3. Step 3: Cross multiply
    99,880.40x = 149,776.86 × 29,745.74
  4. Step 4: Simplify right side
    99,880.40x = 4,455,223,535.58
  5. Step 5: Solve for x
    x = 4,455,223,535.58/99,880.40
  6. Step 6: Final answer
    x = 44,605.58

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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.