Home / 103,927.95-143,420.04-56,180.88

Finding the Fourth Proportional to 103,927.95, 143,420.04 and 56,180.88

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Solution

The fourth proportional to 103,927.95, 143,420.04 and 56,180.88 is: 77,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,927.95 : 143,420.04 = 56,180.88 : x
  2. Step 2: Convert to fraction form
    103,927.95/143,420.04 = 56,180.88/x
  3. Step 3: Cross multiply
    103,927.95x = 143,420.04 × 56,180.88
  4. Step 4: Simplify right side
    103,927.95x = 8,057,464,056.84
  5. Step 5: Solve for x
    x = 8,057,464,056.84/103,927.95
  6. Step 6: Final answer
    x = 77,529.33

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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.