Home / 122,281.73-183,330.16-80,172.40

Finding the Fourth Proportional to 122,281.73, 183,330.16 and 80,172.40

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Solution

The fourth proportional to 122,281.73, 183,330.16 and 80,172.40 is: 120,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,281.73 : 183,330.16 = 80,172.40 : x
  2. Step 2: Convert to fraction form
    122,281.73/183,330.16 = 80,172.40/x
  3. Step 3: Cross multiply
    122,281.73x = 183,330.16 × 80,172.40
  4. Step 4: Simplify right side
    122,281.73x = 14,698,018,518.72
  5. Step 5: Solve for x
    x = 14,698,018,518.72/122,281.73
  6. Step 6: Final answer
    x = 120,198.00

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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.