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Finding the Fourth Proportional to 103,931.30, 155,666.55 and 41,569.70

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Solution

The fourth proportional to 103,931.30, 155,666.55 and 41,569.70 is: 62,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,931.30 : 155,666.55 = 41,569.70 : x
  2. Step 2: Convert to fraction form
    103,931.30/155,666.55 = 41,569.70/x
  3. Step 3: Cross multiply
    103,931.30x = 155,666.55 × 41,569.70
  4. Step 4: Simplify right side
    103,931.30x = 6,471,011,783.54
  5. Step 5: Solve for x
    x = 6,471,011,783.54/103,931.30
  6. Step 6: Final answer
    x = 62,262.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.