Home / 103,900.02-155,854.66-31,847.62

Finding the Fourth Proportional to 103,900.02, 155,854.66 and 31,847.62

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Solution

The fourth proportional to 103,900.02, 155,854.66 and 31,847.62 is: 47,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,900.02 : 155,854.66 = 31,847.62 : x
  2. Step 2: Convert to fraction form
    103,900.02/155,854.66 = 31,847.62/x
  3. Step 3: Cross multiply
    103,900.02x = 155,854.66 × 31,847.62
  4. Step 4: Simplify right side
    103,900.02x = 4,963,599,986.91
  5. Step 5: Solve for x
    x = 4,963,599,986.91/103,900.02
  6. Step 6: Final answer
    x = 47,772.85

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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.