Home / 103,697.35-155,545.93-28,817.46

Finding the Fourth Proportional to 103,697.35, 155,545.93 and 28,817.46

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Solution

The fourth proportional to 103,697.35, 155,545.93 and 28,817.46 is: 43,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,697.35 : 155,545.93 = 28,817.46 : x
  2. Step 2: Convert to fraction form
    103,697.35/155,545.93 = 28,817.46/x
  3. Step 3: Cross multiply
    103,697.35x = 155,545.93 × 28,817.46
  4. Step 4: Simplify right side
    103,697.35x = 4,482,438,615.94
  5. Step 5: Solve for x
    x = 4,482,438,615.94/103,697.35
  6. Step 6: Final answer
    x = 43,226.16

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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.