Home / 122,355.86-183,363.12-66,074.81

Finding the Fourth Proportional to 122,355.86, 183,363.12 and 66,074.81

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Solution

The fourth proportional to 122,355.86, 183,363.12 and 66,074.81 is: 99,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,355.86 : 183,363.12 = 66,074.81 : x
  2. Step 2: Convert to fraction form
    122,355.86/183,363.12 = 66,074.81/x
  3. Step 3: Cross multiply
    122,355.86x = 183,363.12 × 66,074.81
  4. Step 4: Simplify right side
    122,355.86x = 12,115,682,398.19
  5. Step 5: Solve for x
    x = 12,115,682,398.19/122,355.86
  6. Step 6: Final answer
    x = 99,020.05

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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.