Home / 235,812.95-325,531.55-138,986.26

Finding the Fourth Proportional to 235,812.95, 325,531.55 and 138,986.26

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Solution

The fourth proportional to 235,812.95, 325,531.55 and 138,986.26 is: 191,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,812.95 : 325,531.55 = 138,986.26 : x
  2. Step 2: Convert to fraction form
    235,812.95/325,531.55 = 138,986.26/x
  3. Step 3: Cross multiply
    235,812.95x = 325,531.55 × 138,986.26
  4. Step 4: Simplify right side
    235,812.95x = 45,244,412,646.50
  5. Step 5: Solve for x
    x = 45,244,412,646.50/235,812.95
  6. Step 6: Final answer
    x = 191,865.68

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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.