Home / 289,977.13-400,167.61-160,935.08

Finding the Fourth Proportional to 289,977.13, 400,167.61 and 160,935.08

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Solution

The fourth proportional to 289,977.13, 400,167.61 and 160,935.08 is: 222,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,977.13 : 400,167.61 = 160,935.08 : x
  2. Step 2: Convert to fraction form
    289,977.13/400,167.61 = 160,935.08/x
  3. Step 3: Cross multiply
    289,977.13x = 400,167.61 × 160,935.08
  4. Step 4: Simplify right side
    289,977.13x = 64,401,006,328.76
  5. Step 5: Solve for x
    x = 64,401,006,328.76/289,977.13
  6. Step 6: Final answer
    x = 222,089.95

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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.