Home / 104,238.15-143,848.62-56,491.50

Finding the Fourth Proportional to 104,238.15, 143,848.62 and 56,491.50

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Solution

The fourth proportional to 104,238.15, 143,848.62 and 56,491.50 is: 77,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238.15 : 143,848.62 = 56,491.50 : x
  2. Step 2: Convert to fraction form
    104,238.15/143,848.62 = 56,491.50/x
  3. Step 3: Cross multiply
    104,238.15x = 143,848.62 × 56,491.50
  4. Step 4: Simplify right side
    104,238.15x = 8,126,223,597.49
  5. Step 5: Solve for x
    x = 8,126,223,597.49/104,238.15
  6. Step 6: Final answer
    x = 77,958.25

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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.