Home / 103,848.95-143,311.69-56,102.31

Finding the Fourth Proportional to 103,848.95, 143,311.69 and 56,102.31

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Solution

The fourth proportional to 103,848.95, 143,311.69 and 56,102.31 is: 77,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,848.95 : 143,311.69 = 56,102.31 : x
  2. Step 2: Convert to fraction form
    103,848.95/143,311.69 = 56,102.31/x
  3. Step 3: Cross multiply
    103,848.95x = 143,311.69 × 56,102.31
  4. Step 4: Simplify right side
    103,848.95x = 8,040,116,859.00
  5. Step 5: Solve for x
    x = 8,040,116,859.00/103,848.95
  6. Step 6: Final answer
    x = 77,421.26

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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.