Home / 170,288.12-255,432.24-70,338.46

Finding the Fourth Proportional to 170,288.12, 255,432.24 and 70,338.46

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Solution

The fourth proportional to 170,288.12, 255,432.24 and 70,338.46 is: 105,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,288.12 : 255,432.24 = 70,338.46 : x
  2. Step 2: Convert to fraction form
    170,288.12/255,432.24 = 70,338.46/x
  3. Step 3: Cross multiply
    170,288.12x = 255,432.24 × 70,338.46
  4. Step 4: Simplify right side
    170,288.12x = 17,966,710,395.95
  5. Step 5: Solve for x
    x = 17,966,710,395.95/170,288.12
  6. Step 6: Final answer
    x = 105,507.71

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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.