Home / 105,374.01-145,414.13-57,627.21

Finding the Fourth Proportional to 105,374.01, 145,414.13 and 57,627.21

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Solution

The fourth proportional to 105,374.01, 145,414.13 and 57,627.21 is: 79,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,374.01 : 145,414.13 = 57,627.21 : x
  2. Step 2: Convert to fraction form
    105,374.01/145,414.13 = 57,627.21/x
  3. Step 3: Cross multiply
    105,374.01x = 145,414.13 × 57,627.21
  4. Step 4: Simplify right side
    105,374.01x = 8,379,810,318.34
  5. Step 5: Solve for x
    x = 8,379,810,318.34/105,374.01
  6. Step 6: Final answer
    x = 79,524.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.