Home / 105,353.10-145,400.94-60,047.37

Finding the Fourth Proportional to 105,353.10, 145,400.94 and 60,047.37

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Solution

The fourth proportional to 105,353.10, 145,400.94 and 60,047.37 is: 82,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,353.10 : 145,400.94 = 60,047.37 : x
  2. Step 2: Convert to fraction form
    105,353.10/145,400.94 = 60,047.37/x
  3. Step 3: Cross multiply
    105,353.10x = 145,400.94 × 60,047.37
  4. Step 4: Simplify right side
    105,353.10x = 8,730,944,042.53
  5. Step 5: Solve for x
    x = 8,730,944,042.53/105,353.10
  6. Step 6: Final answer
    x = 82,873.16

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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.