Home / 134,817.76-186,035.88-130,288.24

Finding the Fourth Proportional to 134,817.76, 186,035.88 and 130,288.24

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Solution

The fourth proportional to 134,817.76, 186,035.88 and 130,288.24 is: 179,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,817.76 : 186,035.88 = 130,288.24 : x
  2. Step 2: Convert to fraction form
    134,817.76/186,035.88 = 130,288.24/x
  3. Step 3: Cross multiply
    134,817.76x = 186,035.88 × 130,288.24
  4. Step 4: Simplify right side
    134,817.76x = 24,238,287,382.05
  5. Step 5: Solve for x
    x = 24,238,287,382.05/134,817.76
  6. Step 6: Final answer
    x = 179,785.57

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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.