Home / 259,139.11-357,489.74-151,642.59

Finding the Fourth Proportional to 259,139.11, 357,489.74 and 151,642.59

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Solution

The fourth proportional to 259,139.11, 357,489.74 and 151,642.59 is: 209,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,139.11 : 357,489.74 = 151,642.59 : x
  2. Step 2: Convert to fraction form
    259,139.11/357,489.74 = 151,642.59/x
  3. Step 3: Cross multiply
    259,139.11x = 357,489.74 × 151,642.59
  4. Step 4: Simplify right side
    259,139.11x = 54,210,670,072.03
  5. Step 5: Solve for x
    x = 54,210,670,072.03/259,139.11
  6. Step 6: Final answer
    x = 209,195.25

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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.