Home / 90,886.88-125,414.96-53,153.76

Finding the Fourth Proportional to 90,886.88, 125,414.96 and 53,153.76

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Solution

The fourth proportional to 90,886.88, 125,414.96 and 53,153.76 is: 73,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,886.88 : 125,414.96 = 53,153.76 : x
  2. Step 2: Convert to fraction form
    90,886.88/125,414.96 = 53,153.76/x
  3. Step 3: Cross multiply
    90,886.88x = 125,414.96 × 53,153.76
  4. Step 4: Simplify right side
    90,886.88x = 6,666,276,684.25
  5. Step 5: Solve for x
    x = 6,666,276,684.25/90,886.88
  6. Step 6: Final answer
    x = 73,346.96

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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.