Home / 95,143.36-131,244.96-74,925.76

Finding the Fourth Proportional to 95,143.36, 131,244.96 and 74,925.76

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Solution

The fourth proportional to 95,143.36, 131,244.96 and 74,925.76 is: 103,355.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.36 : 131,244.96 = 74,925.76 : x
  2. Step 2: Convert to fraction form
    95,143.36/131,244.96 = 74,925.76/x
  3. Step 3: Cross multiply
    95,143.36x = 131,244.96 × 74,925.76
  4. Step 4: Simplify right side
    95,143.36x = 9,833,628,374.17
  5. Step 5: Solve for x
    x = 9,833,628,374.17/95,143.36
  6. Step 6: Final answer
    x = 103,355.91

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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.