Home / 122,300.10-183,450.15-80,200.35

Finding the Fourth Proportional to 122,300.10, 183,450.15 and 80,200.35

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Solution

The fourth proportional to 122,300.10, 183,450.15 and 80,200.35 is: 120,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,300.10 : 183,450.15 = 80,200.35 : x
  2. Step 2: Convert to fraction form
    122,300.10/183,450.15 = 80,200.35/x
  3. Step 3: Cross multiply
    122,300.10x = 183,450.15 × 80,200.35
  4. Step 4: Simplify right side
    122,300.10x = 14,712,766,237.55
  5. Step 5: Solve for x
    x = 14,712,766,237.55/122,300.10
  6. Step 6: Final answer
    x = 120,300.53

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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.