Home / 103,941.23-143,438.90-56,194.58

Finding the Fourth Proportional to 103,941.23, 143,438.90 and 56,194.58

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Solution

The fourth proportional to 103,941.23, 143,438.90 and 56,194.58 is: 77,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,941.23 : 143,438.90 = 56,194.58 : x
  2. Step 2: Convert to fraction form
    103,941.23/143,438.90 = 56,194.58/x
  3. Step 3: Cross multiply
    103,941.23x = 143,438.90 × 56,194.58
  4. Step 4: Simplify right side
    103,941.23x = 8,060,488,901.98
  5. Step 5: Solve for x
    x = 8,060,488,901.98/103,941.23
  6. Step 6: Final answer
    x = 77,548.52

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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.