Home / 103,972.82-155,931.54-29,088.32

Finding the Fourth Proportional to 103,972.82, 155,931.54 and 29,088.32

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Solution

The fourth proportional to 103,972.82, 155,931.54 and 29,088.32 is: 43,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,972.82 : 155,931.54 = 29,088.32 : x
  2. Step 2: Convert to fraction form
    103,972.82/155,931.54 = 29,088.32/x
  3. Step 3: Cross multiply
    103,972.82x = 155,931.54 × 29,088.32
  4. Step 4: Simplify right side
    103,972.82x = 4,535,786,533.61
  5. Step 5: Solve for x
    x = 4,535,786,533.61/103,972.82
  6. Step 6: Final answer
    x = 43,624.73

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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.