Home / 103,617.56-155,426.32-28,737.70

Finding the Fourth Proportional to 103,617.56, 155,426.32 and 28,737.70

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Solution

The fourth proportional to 103,617.56, 155,426.32 and 28,737.70 is: 43,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.56 : 155,426.32 = 28,737.70 : x
  2. Step 2: Convert to fraction form
    103,617.56/155,426.32 = 28,737.70/x
  3. Step 3: Cross multiply
    103,617.56x = 155,426.32 × 28,737.70
  4. Step 4: Simplify right side
    103,617.56x = 4,466,594,567.70
  5. Step 5: Solve for x
    x = 4,466,594,567.70/103,617.56
  6. Step 6: Final answer
    x = 43,106.54

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1.5x scale

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.