Home / 105,566.77-145,684.50-60,243.85

Finding the Fourth Proportional to 105,566.77, 145,684.50 and 60,243.85

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Solution

The fourth proportional to 105,566.77, 145,684.50 and 60,243.85 is: 83,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,566.77 : 145,684.50 = 60,243.85 : x
  2. Step 2: Convert to fraction form
    105,566.77/145,684.50 = 60,243.85/x
  3. Step 3: Cross multiply
    105,566.77x = 145,684.50 × 60,243.85
  4. Step 4: Simplify right side
    105,566.77x = 8,776,594,801.11
  5. Step 5: Solve for x
    x = 8,776,594,801.11/105,566.77
  6. Step 6: Final answer
    x = 83,137.86

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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.