Home / 130,265.96-179,847.66-99,993.32

Finding the Fourth Proportional to 130,265.96, 179,847.66 and 99,993.32

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Solution

The fourth proportional to 130,265.96, 179,847.66 and 99,993.32 is: 138,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,265.96 : 179,847.66 = 99,993.32 : x
  2. Step 2: Convert to fraction form
    130,265.96/179,847.66 = 99,993.32/x
  3. Step 3: Cross multiply
    130,265.96x = 179,847.66 × 99,993.32
  4. Step 4: Simplify right side
    130,265.96x = 17,983,564,617.63
  5. Step 5: Solve for x
    x = 17,983,564,617.63/130,265.96
  6. Step 6: Final answer
    x = 138,052.68

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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.