Home / 132,940.05-199,448.68-42,980.84

Finding the Fourth Proportional to 132,940.05, 199,448.68 and 42,980.84

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Solution

The fourth proportional to 132,940.05, 199,448.68 and 42,980.84 is: 64,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,940.05 : 199,448.68 = 42,980.84 : x
  2. Step 2: Convert to fraction form
    132,940.05/199,448.68 = 42,980.84/x
  3. Step 3: Cross multiply
    132,940.05x = 199,448.68 × 42,980.84
  4. Step 4: Simplify right side
    132,940.05x = 8,572,471,803.29
  5. Step 5: Solve for x
    x = 8,572,471,803.29/132,940.05
  6. Step 6: Final answer
    x = 64,483.74

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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.