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Finding the Fourth Proportional to 130,303.80, 179,838.54 and 82,561.59

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Solution

The fourth proportional to 130,303.80, 179,838.54 and 82,561.59 is: 113,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,303.80 : 179,838.54 = 82,561.59 : x
  2. Step 2: Convert to fraction form
    130,303.80/179,838.54 = 82,561.59/x
  3. Step 3: Cross multiply
    130,303.80x = 179,838.54 × 82,561.59
  4. Step 4: Simplify right side
    130,303.80x = 14,847,755,805.68
  5. Step 5: Solve for x
    x = 14,847,755,805.68/130,303.80
  6. Step 6: Final answer
    x = 113,947.22

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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.