Home / 130,356.43-195,555.83-40,378.13

Finding the Fourth Proportional to 130,356.43, 195,555.83 and 40,378.13

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Solution

The fourth proportional to 130,356.43, 195,555.83 and 40,378.13 is: 60,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,356.43 : 195,555.83 = 40,378.13 : x
  2. Step 2: Convert to fraction form
    130,356.43/195,555.83 = 40,378.13/x
  3. Step 3: Cross multiply
    130,356.43x = 195,555.83 × 40,378.13
  4. Step 4: Simplify right side
    130,356.43x = 7,896,178,726.00
  5. Step 5: Solve for x
    x = 7,896,178,726.00/130,356.43
  6. Step 6: Final answer
    x = 60,573.76

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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.