Home / 129,649.50-194,507.10-36,155.25

Finding the Fourth Proportional to 129,649.50, 194,507.10 and 36,155.25

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Solution

The fourth proportional to 129,649.50, 194,507.10 and 36,155.25 is: 54,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,649.50 : 194,507.10 = 36,155.25 : x
  2. Step 2: Convert to fraction form
    129,649.50/194,507.10 = 36,155.25/x
  3. Step 3: Cross multiply
    129,649.50x = 194,507.10 × 36,155.25
  4. Step 4: Simplify right side
    129,649.50x = 7,032,452,827.28
  5. Step 5: Solve for x
    x = 7,032,452,827.28/129,649.50
  6. Step 6: Final answer
    x = 54,242.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.