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Finding the Fourth Proportional to 103,677.70, 155,516.55 and 41,392.90

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Solution

The fourth proportional to 103,677.70, 155,516.55 and 41,392.90 is: 62,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,677.70 : 155,516.55 = 41,392.90 : x
  2. Step 2: Convert to fraction form
    103,677.70/155,516.55 = 41,392.90/x
  3. Step 3: Cross multiply
    103,677.70x = 155,516.55 × 41,392.90
  4. Step 4: Simplify right side
    103,677.70x = 6,437,281,002.50
  5. Step 5: Solve for x
    x = 6,437,281,002.50/103,677.70
  6. Step 6: Final answer
    x = 62,089.35

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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.