Home / 89,816.40-134,530.20-48,214.80

Finding the Fourth Proportional to 89,816.40, 134,530.20 and 48,214.80

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Solution

The fourth proportional to 89,816.40, 134,530.20 and 48,214.80 is: 72,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.40 : 134,530.20 = 48,214.80 : x
  2. Step 2: Convert to fraction form
    89,816.40/134,530.20 = 48,214.80/x
  3. Step 3: Cross multiply
    89,816.40x = 134,530.20 × 48,214.80
  4. Step 4: Simplify right side
    89,816.40x = 6,486,346,686.96
  5. Step 5: Solve for x
    x = 6,486,346,686.96/89,816.40
  6. Step 6: Final answer
    x = 72,217.84

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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.