Home / 170,468.42-255,712.89-52,140.79

Finding the Fourth Proportional to 170,468.42, 255,712.89 and 52,140.79

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Solution

The fourth proportional to 170,468.42, 255,712.89 and 52,140.79 is: 78,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,468.42 : 255,712.89 = 52,140.79 : x
  2. Step 2: Convert to fraction form
    170,468.42/255,712.89 = 52,140.79/x
  3. Step 3: Cross multiply
    170,468.42x = 255,712.89 × 52,140.79
  4. Step 4: Simplify right side
    170,468.42x = 13,333,071,197.80
  5. Step 5: Solve for x
    x = 13,333,071,197.80/170,468.42
  6. Step 6: Final answer
    x = 78,214.32

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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.