Home / 170,709.39-235,434.36-102,713.67

Finding the Fourth Proportional to 170,709.39, 235,434.36 and 102,713.67

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Solution

The fourth proportional to 170,709.39, 235,434.36 and 102,713.67 is: 141,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,709.39 : 235,434.36 = 102,713.67 : x
  2. Step 2: Convert to fraction form
    170,709.39/235,434.36 = 102,713.67/x
  3. Step 3: Cross multiply
    170,709.39x = 235,434.36 × 102,713.67
  4. Step 4: Simplify right side
    170,709.39x = 24,182,327,544.88
  5. Step 5: Solve for x
    x = 24,182,327,544.88/170,709.39
  6. Step 6: Final answer
    x = 141,657.86

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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.