Home / 118,440.27-163,440.68-64,725.75

Finding the Fourth Proportional to 118,440.27, 163,440.68 and 64,725.75

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Solution

The fourth proportional to 118,440.27, 163,440.68 and 64,725.75 is: 89,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.27 : 163,440.68 = 64,725.75 : x
  2. Step 2: Convert to fraction form
    118,440.27/163,440.68 = 64,725.75/x
  3. Step 3: Cross multiply
    118,440.27x = 163,440.68 × 64,725.75
  4. Step 4: Simplify right side
    118,440.27x = 10,578,820,269.88
  5. Step 5: Solve for x
    x = 10,578,820,269.88/118,440.27
  6. Step 6: Final answer
    x = 89,317.77

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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.