Home / 88,270.20-132,405.30-53,278.20

Finding the Fourth Proportional to 88,270.20, 132,405.30 and 53,278.20

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Solution

The fourth proportional to 88,270.20, 132,405.30 and 53,278.20 is: 79,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,270.20 : 132,405.30 = 53,278.20 : x
  2. Step 2: Convert to fraction form
    88,270.20/132,405.30 = 53,278.20/x
  3. Step 3: Cross multiply
    88,270.20x = 132,405.30 × 53,278.20
  4. Step 4: Simplify right side
    88,270.20x = 7,054,316,054.46
  5. Step 5: Solve for x
    x = 7,054,316,054.46/88,270.20
  6. Step 6: Final answer
    x = 79,917.30

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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.