Home / 104,431.95-144,115.61-56,684.88

Finding the Fourth Proportional to 104,431.95, 144,115.61 and 56,684.88

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Solution

The fourth proportional to 104,431.95, 144,115.61 and 56,684.88 is: 78,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.95 : 144,115.61 = 56,684.88 : x
  2. Step 2: Convert to fraction form
    104,431.95/144,115.61 = 56,684.88/x
  3. Step 3: Cross multiply
    104,431.95x = 144,115.61 × 56,684.88
  4. Step 4: Simplify right side
    104,431.95x = 8,169,175,775.55
  5. Step 5: Solve for x
    x = 8,169,175,775.55/104,431.95
  6. Step 6: Final answer
    x = 78,224.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.