Home / 208,859.03-288,217.75-113,363.67

Finding the Fourth Proportional to 208,859.03, 288,217.75 and 113,363.67

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Solution

The fourth proportional to 208,859.03, 288,217.75 and 113,363.67 is: 156,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,859.03 : 288,217.75 = 113,363.67 : x
  2. Step 2: Convert to fraction form
    208,859.03/288,217.75 = 113,363.67/x
  3. Step 3: Cross multiply
    208,859.03x = 288,217.75 × 113,363.67
  4. Step 4: Simplify right side
    208,859.03x = 32,673,421,332.32
  5. Step 5: Solve for x
    x = 32,673,421,332.32/208,859.03
  6. Step 6: Final answer
    x = 156,437.68

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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.