Home / 130,426.92-179,995.86-73,062.81

Finding the Fourth Proportional to 130,426.92, 179,995.86 and 73,062.81

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Solution

The fourth proportional to 130,426.92, 179,995.86 and 73,062.81 is: 100,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,426.92 : 179,995.86 = 73,062.81 : x
  2. Step 2: Convert to fraction form
    130,426.92/179,995.86 = 73,062.81/x
  3. Step 3: Cross multiply
    130,426.92x = 179,995.86 × 73,062.81
  4. Step 4: Simplify right side
    130,426.92x = 13,151,003,319.97
  5. Step 5: Solve for x
    x = 13,151,003,319.97/130,426.92
  6. Step 6: Final answer
    x = 100,830.44

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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.