Home / 259,145.11-357,632.40-151,749.73

Finding the Fourth Proportional to 259,145.11, 357,632.40 and 151,749.73

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Solution

The fourth proportional to 259,145.11, 357,632.40 and 151,749.73 is: 209,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,145.11 : 357,632.40 = 151,749.73 : x
  2. Step 2: Convert to fraction form
    259,145.11/357,632.40 = 151,749.73/x
  3. Step 3: Cross multiply
    259,145.11x = 357,632.40 × 151,749.73
  4. Step 4: Simplify right side
    259,145.11x = 54,270,620,139.25
  5. Step 5: Solve for x
    x = 54,270,620,139.25/259,145.11
  6. Step 6: Final answer
    x = 209,421.74

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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.