Home / 115,502.04-159,392.34-65,200.68

Finding the Fourth Proportional to 115,502.04, 159,392.34 and 65,200.68

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Solution

The fourth proportional to 115,502.04, 159,392.34 and 65,200.68 is: 89,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.04 : 159,392.34 = 65,200.68 : x
  2. Step 2: Convert to fraction form
    115,502.04/159,392.34 = 65,200.68/x
  3. Step 3: Cross multiply
    115,502.04x = 159,392.34 × 65,200.68
  4. Step 4: Simplify right side
    115,502.04x = 10,392,488,954.79
  5. Step 5: Solve for x
    x = 10,392,488,954.79/115,502.04
  6. Step 6: Final answer
    x = 89,976.67

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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.