Home / 130,007.04-194,995.44-36,520.80

Finding the Fourth Proportional to 130,007.04, 194,995.44 and 36,520.80

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Solution

The fourth proportional to 130,007.04, 194,995.44 and 36,520.80 is: 54,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.04 : 194,995.44 = 36,520.80 : x
  2. Step 2: Convert to fraction form
    130,007.04/194,995.44 = 36,520.80/x
  3. Step 3: Cross multiply
    130,007.04x = 194,995.44 × 36,520.80
  4. Step 4: Simplify right side
    130,007.04x = 7,121,389,465.15
  5. Step 5: Solve for x
    x = 7,121,389,465.15/130,007.04
  6. Step 6: Final answer
    x = 54,776.95

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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.