Home / 130,577.87-180,165.97-82,813.79

Finding the Fourth Proportional to 130,577.87, 180,165.97 and 82,813.79

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Solution

The fourth proportional to 130,577.87, 180,165.97 and 82,813.79 is: 114,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,577.87 : 180,165.97 = 82,813.79 : x
  2. Step 2: Convert to fraction form
    130,577.87/180,165.97 = 82,813.79/x
  3. Step 3: Cross multiply
    130,577.87x = 180,165.97 × 82,813.79
  4. Step 4: Simplify right side
    130,577.87x = 14,920,227,358.66
  5. Step 5: Solve for x
    x = 14,920,227,358.66/130,577.87
  6. Step 6: Final answer
    x = 114,263.06

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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.