Home / 109,147.29-150,622.23-61,400.94

Finding the Fourth Proportional to 109,147.29, 150,622.23 and 61,400.94

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Solution

The fourth proportional to 109,147.29, 150,622.23 and 61,400.94 is: 84,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,147.29 : 150,622.23 = 61,400.94 : x
  2. Step 2: Convert to fraction form
    109,147.29/150,622.23 = 61,400.94/x
  3. Step 3: Cross multiply
    109,147.29x = 150,622.23 × 61,400.94
  4. Step 4: Simplify right side
    109,147.29x = 9,248,346,506.90
  5. Step 5: Solve for x
    x = 9,248,346,506.90/109,147.29
  6. Step 6: Final answer
    x = 84,732.72

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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.