Home / 118,893.21-164,093.44-90,307.50

Finding the Fourth Proportional to 118,893.21, 164,093.44 and 90,307.50

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Solution

The fourth proportional to 118,893.21, 164,093.44 and 90,307.50 is: 124,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,893.21 : 164,093.44 = 90,307.50 : x
  2. Step 2: Convert to fraction form
    118,893.21/164,093.44 = 90,307.50/x
  3. Step 3: Cross multiply
    118,893.21x = 164,093.44 × 90,307.50
  4. Step 4: Simplify right side
    118,893.21x = 14,818,868,332.80
  5. Step 5: Solve for x
    x = 14,818,868,332.80/118,893.21
  6. Step 6: Final answer
    x = 124,640.16

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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.