Home / 103,848.32-143,310.60-56,101.66

Finding the Fourth Proportional to 103,848.32, 143,310.60 and 56,101.66

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Solution

The fourth proportional to 103,848.32, 143,310.60 and 56,101.66 is: 77,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.32 : 143,310.60 = 56,101.66 : x
  2. Step 2: Convert to fraction form
    103,848.32/143,310.60 = 56,101.66/x
  3. Step 3: Cross multiply
    103,848.32x = 143,310.60 × 56,101.66
  4. Step 4: Simplify right side
    103,848.32x = 8,039,962,555.60
  5. Step 5: Solve for x
    x = 8,039,962,555.60/103,848.32
  6. Step 6: Final answer
    x = 77,420.25

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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.