Home / 171,746.56-257,620.52-71,836.68

Finding the Fourth Proportional to 171,746.56, 257,620.52 and 71,836.68

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Solution

The fourth proportional to 171,746.56, 257,620.52 and 71,836.68 is: 107,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,746.56 : 257,620.52 = 71,836.68 : x
  2. Step 2: Convert to fraction form
    171,746.56/257,620.52 = 71,836.68/x
  3. Step 3: Cross multiply
    171,746.56x = 257,620.52 × 71,836.68
  4. Step 4: Simplify right side
    171,746.56x = 18,506,602,856.67
  5. Step 5: Solve for x
    x = 18,506,602,856.67/171,746.56
  6. Step 6: Final answer
    x = 107,755.30

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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.