Home / 90,820.16-125,346.84-53,087.12

Finding the Fourth Proportional to 90,820.16, 125,346.84 and 53,087.12

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Solution

The fourth proportional to 90,820.16, 125,346.84 and 53,087.12 is: 73,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,820.16 : 125,346.84 = 53,087.12 : x
  2. Step 2: Convert to fraction form
    90,820.16/125,346.84 = 53,087.12/x
  3. Step 3: Cross multiply
    90,820.16x = 125,346.84 × 53,087.12
  4. Step 4: Simplify right side
    90,820.16x = 6,654,302,736.70
  5. Step 5: Solve for x
    x = 6,654,302,736.70/90,820.16
  6. Step 6: Final answer
    x = 73,269.00

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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.