Home / 89,419.63-134,128.92-22,859.65

Finding the Fourth Proportional to 89,419.63, 134,128.92 and 22,859.65

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Solution

The fourth proportional to 89,419.63, 134,128.92 and 22,859.65 is: 34,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,419.63 : 134,128.92 = 22,859.65 : x
  2. Step 2: Convert to fraction form
    89,419.63/134,128.92 = 22,859.65/x
  3. Step 3: Cross multiply
    89,419.63x = 134,128.92 × 22,859.65
  4. Step 4: Simplify right side
    89,419.63x = 3,066,140,166.08
  5. Step 5: Solve for x
    x = 3,066,140,166.08/89,419.63
  6. Step 6: Final answer
    x = 34,289.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.