Home / 122,341.89-183,460.38-66,166.74

Finding the Fourth Proportional to 122,341.89, 183,460.38 and 66,166.74

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Solution

The fourth proportional to 122,341.89, 183,460.38 and 66,166.74 is: 99,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,341.89 : 183,460.38 = 66,166.74 : x
  2. Step 2: Convert to fraction form
    122,341.89/183,460.38 = 66,166.74/x
  3. Step 3: Cross multiply
    122,341.89x = 183,460.38 × 66,166.74
  4. Step 4: Simplify right side
    122,341.89x = 12,138,975,557.00
  5. Step 5: Solve for x
    x = 12,138,975,557.00/122,341.89
  6. Step 6: Final answer
    x = 99,221.74

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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.