Home / 118,043.38-162,899.88-64,328.40

Finding the Fourth Proportional to 118,043.38, 162,899.88 and 64,328.40

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Solution

The fourth proportional to 118,043.38, 162,899.88 and 64,328.40 is: 88,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,043.38 : 162,899.88 = 64,328.40 : x
  2. Step 2: Convert to fraction form
    118,043.38/162,899.88 = 64,328.40/x
  3. Step 3: Cross multiply
    118,043.38x = 162,899.88 × 64,328.40
  4. Step 4: Simplify right side
    118,043.38x = 10,479,088,640.59
  5. Step 5: Solve for x
    x = 10,479,088,640.59/118,043.38
  6. Step 6: Final answer
    x = 88,773.20

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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.