Home / 129,430.04-194,201.60-45,250.64

Finding the Fourth Proportional to 129,430.04, 194,201.60 and 45,250.64

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Solution

The fourth proportional to 129,430.04, 194,201.60 and 45,250.64 is: 67,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,430.04 : 194,201.60 = 45,250.64 : x
  2. Step 2: Convert to fraction form
    129,430.04/194,201.60 = 45,250.64/x
  3. Step 3: Cross multiply
    129,430.04x = 194,201.60 × 45,250.64
  4. Step 4: Simplify right side
    129,430.04x = 8,787,745,491.76
  5. Step 5: Solve for x
    x = 8,787,745,491.76/129,430.04
  6. Step 6: Final answer
    x = 67,895.72

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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.