Home / 88,603.21-122,267.74-50,357.64

Finding the Fourth Proportional to 88,603.21, 122,267.74 and 50,357.64

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Solution

The fourth proportional to 88,603.21, 122,267.74 and 50,357.64 is: 69,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,603.21 : 122,267.74 = 50,357.64 : x
  2. Step 2: Convert to fraction form
    88,603.21/122,267.74 = 50,357.64/x
  3. Step 3: Cross multiply
    88,603.21x = 122,267.74 × 50,357.64
  4. Step 4: Simplify right side
    88,603.21x = 6,157,114,834.53
  5. Step 5: Solve for x
    x = 6,157,114,834.53/88,603.21
  6. Step 6: Final answer
    x = 69,490.88

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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.