Home / 118,382.09-163,371.21-64,672.10

Finding the Fourth Proportional to 118,382.09, 163,371.21 and 64,672.10

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Solution

The fourth proportional to 118,382.09, 163,371.21 and 64,672.10 is: 89,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,382.09 : 163,371.21 = 64,672.10 : x
  2. Step 2: Convert to fraction form
    118,382.09/163,371.21 = 64,672.10/x
  3. Step 3: Cross multiply
    118,382.09x = 163,371.21 × 64,672.10
  4. Step 4: Simplify right side
    118,382.09x = 10,565,559,230.24
  5. Step 5: Solve for x
    x = 10,565,559,230.24/118,382.09
  6. Step 6: Final answer
    x = 89,249.64

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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.