Home / 103,962.07-143,467.23-56,215.41

Finding the Fourth Proportional to 103,962.07, 143,467.23 and 56,215.41

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Solution

The fourth proportional to 103,962.07, 143,467.23 and 56,215.41 is: 77,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,962.07 : 143,467.23 = 56,215.41 : x
  2. Step 2: Convert to fraction form
    103,962.07/143,467.23 = 56,215.41/x
  3. Step 3: Cross multiply
    103,962.07x = 143,467.23 × 56,215.41
  4. Step 4: Simplify right side
    103,962.07x = 8,065,068,438.68
  5. Step 5: Solve for x
    x = 8,065,068,438.68/103,962.07
  6. Step 6: Final answer
    x = 77,577.03

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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.