Home / 103,973.22-143,482.32-56,225.88

Finding the Fourth Proportional to 103,973.22, 143,482.32 and 56,225.88

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Solution

The fourth proportional to 103,973.22, 143,482.32 and 56,225.88 is: 77,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,973.22 : 143,482.32 = 56,225.88 : x
  2. Step 2: Convert to fraction form
    103,973.22/143,482.32 = 56,225.88/x
  3. Step 3: Cross multiply
    103,973.22x = 143,482.32 × 56,225.88
  4. Step 4: Simplify right side
    103,973.22x = 8,067,419,706.44
  5. Step 5: Solve for x
    x = 8,067,419,706.44/103,973.22
  6. Step 6: Final answer
    x = 77,591.32

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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.