Home / 109,209.66-150,714.18-61,466.10

Finding the Fourth Proportional to 109,209.66, 150,714.18 and 61,466.10

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Solution

The fourth proportional to 109,209.66, 150,714.18 and 61,466.10 is: 84,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,209.66 : 150,714.18 = 61,466.10 : x
  2. Step 2: Convert to fraction form
    109,209.66/150,714.18 = 61,466.10/x
  3. Step 3: Cross multiply
    109,209.66x = 150,714.18 × 61,466.10
  4. Step 4: Simplify right side
    109,209.66x = 9,263,812,859.30
  5. Step 5: Solve for x
    x = 9,263,812,859.30/109,209.66
  6. Step 6: Final answer
    x = 84,825.95

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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.