Home / 105,252.21-157,771.93-45,319.77

Finding the Fourth Proportional to 105,252.21, 157,771.93 and 45,319.77

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Solution

The fourth proportional to 105,252.21, 157,771.93 and 45,319.77 is: 67,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.21 : 157,771.93 = 45,319.77 : x
  2. Step 2: Convert to fraction form
    105,252.21/157,771.93 = 45,319.77/x
  3. Step 3: Cross multiply
    105,252.21x = 157,771.93 × 45,319.77
  4. Step 4: Simplify right side
    105,252.21x = 7,150,187,580.06
  5. Step 5: Solve for x
    x = 7,150,187,580.06/105,252.21
  6. Step 6: Final answer
    x = 67,933.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.