Home / 103,826.88-143,281.17-56,080.22

Finding the Fourth Proportional to 103,826.88, 143,281.17 and 56,080.22

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Solution

The fourth proportional to 103,826.88, 143,281.17 and 56,080.22 is: 77,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,826.88 : 143,281.17 = 56,080.22 : x
  2. Step 2: Convert to fraction form
    103,826.88/143,281.17 = 56,080.22/x
  3. Step 3: Cross multiply
    103,826.88x = 143,281.17 × 56,080.22
  4. Step 4: Simplify right side
    103,826.88x = 8,035,238,819.05
  5. Step 5: Solve for x
    x = 8,035,238,819.05/103,826.88
  6. Step 6: Final answer
    x = 77,390.74

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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.