Home / 170,437.05-255,283.79-140,518.89

Finding the Fourth Proportional to 170,437.05, 255,283.79 and 140,518.89

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Solution

The fourth proportional to 170,437.05, 255,283.79 and 140,518.89 is: 210,471.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,437.05 : 255,283.79 = 140,518.89 : x
  2. Step 2: Convert to fraction form
    170,437.05/255,283.79 = 140,518.89/x
  3. Step 3: Cross multiply
    170,437.05x = 255,283.79 × 140,518.89
  4. Step 4: Simplify right side
    170,437.05x = 35,872,194,103.20
  5. Step 5: Solve for x
    x = 35,872,194,103.20/170,437.05
  6. Step 6: Final answer
    x = 210,471.81

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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.