Home / 98,182.20-147,176.10-48,221.40

Finding the Fourth Proportional to 98,182.20, 147,176.10 and 48,221.40

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Solution

The fourth proportional to 98,182.20, 147,176.10 and 48,221.40 is: 72,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.20 : 147,176.10 = 48,221.40 : x
  2. Step 2: Convert to fraction form
    98,182.20/147,176.10 = 48,221.40/x
  3. Step 3: Cross multiply
    98,182.20x = 147,176.10 × 48,221.40
  4. Step 4: Simplify right side
    98,182.20x = 7,097,037,588.54
  5. Step 5: Solve for x
    x = 7,097,037,588.54/98,182.20
  6. Step 6: Final answer
    x = 72,284.36

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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.