Home / 132,137.10-198,230.40-43,416.18

Finding the Fourth Proportional to 132,137.10, 198,230.40 and 43,416.18

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Solution

The fourth proportional to 132,137.10, 198,230.40 and 43,416.18 is: 65,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.10 : 198,230.40 = 43,416.18 : x
  2. Step 2: Convert to fraction form
    132,137.10/198,230.40 = 43,416.18/x
  3. Step 3: Cross multiply
    132,137.10x = 198,230.40 × 43,416.18
  4. Step 4: Simplify right side
    132,137.10x = 8,606,406,727.87
  5. Step 5: Solve for x
    x = 8,606,406,727.87/132,137.10
  6. Step 6: Final answer
    x = 65,132.40

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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.