Home / 109,125.28-163,618-52,175.68

Finding the Fourth Proportional to 109,125.28, 163,618 and 52,175.68

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Solution

The fourth proportional to 109,125.28, 163,618 and 52,175.68 is: 78,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,125.28 : 163,618 = 52,175.68 : x
  2. Step 2: Convert to fraction form
    109,125.28/163,618 = 52,175.68/x
  3. Step 3: Cross multiply
    109,125.28x = 163,618 × 52,175.68
  4. Step 4: Simplify right side
    109,125.28x = 8,536,880,410.24
  5. Step 5: Solve for x
    x = 8,536,880,410.24/109,125.28
  6. Step 6: Final answer
    x = 78,230.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.