Home / 105,092.22-145,025.91-57,344.75

Finding the Fourth Proportional to 105,092.22, 145,025.91 and 57,344.75

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Solution

The fourth proportional to 105,092.22, 145,025.91 and 57,344.75 is: 79,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,092.22 : 145,025.91 = 57,344.75 : x
  2. Step 2: Convert to fraction form
    105,092.22/145,025.91 = 57,344.75/x
  3. Step 3: Cross multiply
    105,092.22x = 145,025.91 × 57,344.75
  4. Step 4: Simplify right side
    105,092.22x = 8,316,474,552.47
  5. Step 5: Solve for x
    x = 8,316,474,552.47/105,092.22
  6. Step 6: Final answer
    x = 79,135.02

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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.