Home / 170,437.80-255,284.91-140,519.64

Finding the Fourth Proportional to 170,437.80, 255,284.91 and 140,519.64

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Solution

The fourth proportional to 170,437.80, 255,284.91 and 140,519.64 is: 210,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,437.80 : 255,284.91 = 140,519.64 : x
  2. Step 2: Convert to fraction form
    170,437.80/255,284.91 = 140,519.64/x
  3. Step 3: Cross multiply
    170,437.80x = 255,284.91 × 140,519.64
  4. Step 4: Simplify right side
    170,437.80x = 35,872,543,650.63
  5. Step 5: Solve for x
    x = 35,872,543,650.63/170,437.80
  6. Step 6: Final answer
    x = 210,472.93

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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.