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Finding the Fourth Proportional to 103,783, 155,667.22 and 59,270.28

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Solution

The fourth proportional to 103,783, 155,667.22 and 59,270.28 is: 88,901.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,783 : 155,667.22 = 59,270.28 : x
  2. Step 2: Convert to fraction form
    103,783/155,667.22 = 59,270.28/x
  3. Step 3: Cross multiply
    103,783x = 155,667.22 × 59,270.28
  4. Step 4: Simplify right side
    103,783x = 9,226,439,716.22
  5. Step 5: Solve for x
    x = 9,226,439,716.22/103,783
  6. Step 6: Final answer
    x = 88,901.26

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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.