Home / 103,740.41-155,487.60-93,160.80

Finding the Fourth Proportional to 103,740.41, 155,487.60 and 93,160.80

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Solution

The fourth proportional to 103,740.41, 155,487.60 and 93,160.80 is: 139,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,740.41 : 155,487.60 = 93,160.80 : x
  2. Step 2: Convert to fraction form
    103,740.41/155,487.60 = 93,160.80/x
  3. Step 3: Cross multiply
    103,740.41x = 155,487.60 × 93,160.80
  4. Step 4: Simplify right side
    103,740.41x = 14,485,349,206.08
  5. Step 5: Solve for x
    x = 14,485,349,206.08/103,740.41
  6. Step 6: Final answer
    x = 139,630.73

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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.