Home / 154,461.44-213,107.22-86,468.40

Finding the Fourth Proportional to 154,461.44, 213,107.22 and 86,468.40

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Solution

The fourth proportional to 154,461.44, 213,107.22 and 86,468.40 is: 119,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,461.44 : 213,107.22 = 86,468.40 : x
  2. Step 2: Convert to fraction form
    154,461.44/213,107.22 = 86,468.40/x
  3. Step 3: Cross multiply
    154,461.44x = 213,107.22 × 86,468.40
  4. Step 4: Simplify right side
    154,461.44x = 18,427,040,341.85
  5. Step 5: Solve for x
    x = 18,427,040,341.85/154,461.44
  6. Step 6: Final answer
    x = 119,298.64

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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.