Home / 129,320.36-193,980.56-35,826.16

Finding the Fourth Proportional to 129,320.36, 193,980.56 and 35,826.16

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Solution

The fourth proportional to 129,320.36, 193,980.56 and 35,826.16 is: 53,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,320.36 : 193,980.56 = 35,826.16 : x
  2. Step 2: Convert to fraction form
    129,320.36/193,980.56 = 35,826.16/x
  3. Step 3: Cross multiply
    129,320.36x = 193,980.56 × 35,826.16
  4. Step 4: Simplify right side
    129,320.36x = 6,949,578,579.45
  5. Step 5: Solve for x
    x = 6,949,578,579.45/129,320.36
  6. Step 6: Final answer
    x = 53,739.25

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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.