Home / 89,820.20-134,730.30-88,284.20

Finding the Fourth Proportional to 89,820.20, 134,730.30 and 88,284.20

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Solution

The fourth proportional to 89,820.20, 134,730.30 and 88,284.20 is: 132,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,820.20 : 134,730.30 = 88,284.20 : x
  2. Step 2: Convert to fraction form
    89,820.20/134,730.30 = 88,284.20/x
  3. Step 3: Cross multiply
    89,820.20x = 134,730.30 × 88,284.20
  4. Step 4: Simplify right side
    89,820.20x = 11,894,556,751.26
  5. Step 5: Solve for x
    x = 11,894,556,751.26/89,820.20
  6. Step 6: Final answer
    x = 132,426.30

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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.