Home / 122,205.40-183,308.10-102,522.40

Finding the Fourth Proportional to 122,205.40, 183,308.10 and 102,522.40

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Solution

The fourth proportional to 122,205.40, 183,308.10 and 102,522.40 is: 153,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,205.40 : 183,308.10 = 102,522.40 : x
  2. Step 2: Convert to fraction form
    122,205.40/183,308.10 = 102,522.40/x
  3. Step 3: Cross multiply
    122,205.40x = 183,308.10 × 102,522.40
  4. Step 4: Simplify right side
    122,205.40x = 18,793,186,351.44
  5. Step 5: Solve for x
    x = 18,793,186,351.44/122,205.40
  6. Step 6: Final answer
    x = 153,783.60

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1.5x scale

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.