Home / 129,130.24-177,828.96-116,273.92

Finding the Fourth Proportional to 129,130.24, 177,828.96 and 116,273.92

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Solution

The fourth proportional to 129,130.24, 177,828.96 and 116,273.92 is: 160,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,130.24 : 177,828.96 = 116,273.92 : x
  2. Step 2: Convert to fraction form
    129,130.24/177,828.96 = 116,273.92/x
  3. Step 3: Cross multiply
    129,130.24x = 177,828.96 × 116,273.92
  4. Step 4: Simplify right side
    129,130.24x = 20,676,870,268.72
  5. Step 5: Solve for x
    x = 20,676,870,268.72/129,130.24
  6. Step 6: Final answer
    x = 160,124.15

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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.