Home / 96,138.74-144,006.96-77,317.04

Finding the Fourth Proportional to 96,138.74, 144,006.96 and 77,317.04

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Solution

The fourth proportional to 96,138.74, 144,006.96 and 77,317.04 is: 115,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,138.74 : 144,006.96 = 77,317.04 : x
  2. Step 2: Convert to fraction form
    96,138.74/144,006.96 = 77,317.04/x
  3. Step 3: Cross multiply
    96,138.74x = 144,006.96 × 77,317.04
  4. Step 4: Simplify right side
    96,138.74x = 11,134,191,886.60
  5. Step 5: Solve for x
    x = 11,134,191,886.60/96,138.74
  6. Step 6: Final answer
    x = 115,813.79

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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.