Home / 129,154.02-193,716.42-44,899.98

Finding the Fourth Proportional to 129,154.02, 193,716.42 and 44,899.98

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Solution

The fourth proportional to 129,154.02, 193,716.42 and 44,899.98 is: 67,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,154.02 : 193,716.42 = 44,899.98 : x
  2. Step 2: Convert to fraction form
    129,154.02/193,716.42 = 44,899.98/x
  3. Step 3: Cross multiply
    129,154.02x = 193,716.42 × 44,899.98
  4. Step 4: Simplify right side
    129,154.02x = 8,697,863,383.67
  5. Step 5: Solve for x
    x = 8,697,863,383.67/129,154.02
  6. Step 6: Final answer
    x = 67,344.89

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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.