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Finding the Fourth Proportional to 124,029.64, 185,830.48 and 67,910.14

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Solution

The fourth proportional to 124,029.64, 185,830.48 and 67,910.14 is: 101,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,029.64 : 185,830.48 = 67,910.14 : x
  2. Step 2: Convert to fraction form
    124,029.64/185,830.48 = 67,910.14/x
  3. Step 3: Cross multiply
    124,029.64x = 185,830.48 × 67,910.14
  4. Step 4: Simplify right side
    124,029.64x = 12,619,773,913.07
  5. Step 5: Solve for x
    x = 12,619,773,913.07/124,029.64
  6. Step 6: Final answer
    x = 101,748.05

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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.