Home / 230,340.31-317,880.45-134,877.76

Finding the Fourth Proportional to 230,340.31, 317,880.45 and 134,877.76

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Solution

The fourth proportional to 230,340.31, 317,880.45 and 134,877.76 is: 186,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,340.31 : 317,880.45 = 134,877.76 : x
  2. Step 2: Convert to fraction form
    230,340.31/317,880.45 = 134,877.76/x
  3. Step 3: Cross multiply
    230,340.31x = 317,880.45 × 134,877.76
  4. Step 4: Simplify right side
    230,340.31x = 42,875,002,249.09
  5. Step 5: Solve for x
    x = 42,875,002,249.09/230,340.31
  6. Step 6: Final answer
    x = 186,137.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.