Home / 103,829.13-155,756.60-40,641.03

Finding the Fourth Proportional to 103,829.13, 155,756.60 and 40,641.03

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Solution

The fourth proportional to 103,829.13, 155,756.60 and 40,641.03 is: 60,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,829.13 : 155,756.60 = 40,641.03 : x
  2. Step 2: Convert to fraction form
    103,829.13/155,756.60 = 40,641.03/x
  3. Step 3: Cross multiply
    103,829.13x = 155,756.60 × 40,641.03
  4. Step 4: Simplify right side
    103,829.13x = 6,330,108,653.30
  5. Step 5: Solve for x
    x = 6,330,108,653.30/103,829.13
  6. Step 6: Final answer
    x = 60,966.60

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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.