Home / 170,825.80-256,277.10-52,502.60

Finding the Fourth Proportional to 170,825.80, 256,277.10 and 52,502.60

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Solution

The fourth proportional to 170,825.80, 256,277.10 and 52,502.60 is: 78,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,825.80 : 256,277.10 = 52,502.60 : x
  2. Step 2: Convert to fraction form
    170,825.80/256,277.10 = 52,502.60/x
  3. Step 3: Cross multiply
    170,825.80x = 256,277.10 × 52,502.60
  4. Step 4: Simplify right side
    170,825.80x = 13,455,214,070.46
  5. Step 5: Solve for x
    x = 13,455,214,070.46/170,825.80
  6. Step 6: Final answer
    x = 78,765.70

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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.