Home / 122,486.18-183,755.54-42,526.68

Finding the Fourth Proportional to 122,486.18, 183,755.54 and 42,526.68

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Solution

The fourth proportional to 122,486.18, 183,755.54 and 42,526.68 is: 63,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486.18 : 183,755.54 = 42,526.68 : x
  2. Step 2: Convert to fraction form
    122,486.18/183,755.54 = 42,526.68/x
  3. Step 3: Cross multiply
    122,486.18x = 183,755.54 × 42,526.68
  4. Step 4: Simplify right side
    122,486.18x = 7,814,512,742.64
  5. Step 5: Solve for x
    x = 7,814,512,742.64/122,486.18
  6. Step 6: Final answer
    x = 63,799.14

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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.