Home / 185,288.31-255,698.55-107,782.55

Finding the Fourth Proportional to 185,288.31, 255,698.55 and 107,782.55

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Solution

The fourth proportional to 185,288.31, 255,698.55 and 107,782.55 is: 148,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,288.31 : 255,698.55 = 107,782.55 : x
  2. Step 2: Convert to fraction form
    185,288.31/255,698.55 = 107,782.55/x
  3. Step 3: Cross multiply
    185,288.31x = 255,698.55 × 107,782.55
  4. Step 4: Simplify right side
    185,288.31x = 27,559,840,471.81
  5. Step 5: Solve for x
    x = 27,559,840,471.81/185,288.31
  6. Step 6: Final answer
    x = 148,740.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.