Home / 95,341.20-143,164.48-78,664.92

Finding the Fourth Proportional to 95,341.20, 143,164.48 and 78,664.92

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Solution

The fourth proportional to 95,341.20, 143,164.48 and 78,664.92 is: 118,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,341.20 : 143,164.48 = 78,664.92 : x
  2. Step 2: Convert to fraction form
    95,341.20/143,164.48 = 78,664.92/x
  3. Step 3: Cross multiply
    95,341.20x = 143,164.48 × 78,664.92
  4. Step 4: Simplify right side
    95,341.20x = 11,262,022,366.04
  5. Step 5: Solve for x
    x = 11,262,022,366.04/95,341.20
  6. Step 6: Final answer
    x = 118,123.35

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1.5x scale

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.