Home / 118,708.66-163,811.73-64,983.39

Finding the Fourth Proportional to 118,708.66, 163,811.73 and 64,983.39

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Solution

The fourth proportional to 118,708.66, 163,811.73 and 64,983.39 is: 89,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,708.66 : 163,811.73 = 64,983.39 : x
  2. Step 2: Convert to fraction form
    118,708.66/163,811.73 = 64,983.39/x
  3. Step 3: Cross multiply
    118,708.66x = 163,811.73 × 64,983.39
  4. Step 4: Simplify right side
    118,708.66x = 10,645,041,537.16
  5. Step 5: Solve for x
    x = 10,645,041,537.16/118,708.66
  6. Step 6: Final answer
    x = 89,673.67

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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.