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Finding the Fourth Proportional to 170,135.52, 254,678.40 and 155,620.32

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Solution

The fourth proportional to 170,135.52, 254,678.40 and 155,620.32 is: 232,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,135.52 : 254,678.40 = 155,620.32 : x
  2. Step 2: Convert to fraction form
    170,135.52/254,678.40 = 155,620.32/x
  3. Step 3: Cross multiply
    170,135.52x = 254,678.40 × 155,620.32
  4. Step 4: Simplify right side
    170,135.52x = 39,633,134,105.09
  5. Step 5: Solve for x
    x = 39,633,134,105.09/170,135.52
  6. Step 6: Final answer
    x = 232,950.38

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1.5x scale

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.