Home / 122,281.85-183,475.49-66,161.40

Finding the Fourth Proportional to 122,281.85, 183,475.49 and 66,161.40

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Solution

The fourth proportional to 122,281.85, 183,475.49 and 66,161.40 is: 99,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,281.85 : 183,475.49 = 66,161.40 : x
  2. Step 2: Convert to fraction form
    122,281.85/183,475.49 = 66,161.40/x
  3. Step 3: Cross multiply
    122,281.85x = 183,475.49 × 66,161.40
  4. Step 4: Simplify right side
    122,281.85x = 12,138,994,953.28
  5. Step 5: Solve for x
    x = 12,138,994,953.28/122,281.85
  6. Step 6: Final answer
    x = 99,270.62

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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.