Home / 235,775.20-325,369.82-128,346.04

Finding the Fourth Proportional to 235,775.20, 325,369.82 and 128,346.04

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Solution

The fourth proportional to 235,775.20, 325,369.82 and 128,346.04 is: 177,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,775.20 : 325,369.82 = 128,346.04 : x
  2. Step 2: Convert to fraction form
    235,775.20/325,369.82 = 128,346.04/x
  3. Step 3: Cross multiply
    235,775.20x = 325,369.82 × 128,346.04
  4. Step 4: Simplify right side
    235,775.20x = 41,759,926,477.36
  5. Step 5: Solve for x
    x = 41,759,926,477.36/235,775.20
  6. Step 6: Final answer
    x = 177,117.55

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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.