Home / 185,068.05-255,392.76-100,184.50

Finding the Fourth Proportional to 185,068.05, 255,392.76 and 100,184.50

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Solution

The fourth proportional to 185,068.05, 255,392.76 and 100,184.50 is: 138,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,068.05 : 255,392.76 = 100,184.50 : x
  2. Step 2: Convert to fraction form
    185,068.05/255,392.76 = 100,184.50/x
  3. Step 3: Cross multiply
    185,068.05x = 255,392.76 × 100,184.50
  4. Step 4: Simplify right side
    185,068.05x = 25,586,395,964.22
  5. Step 5: Solve for x
    x = 25,586,395,964.22/185,068.05
  6. Step 6: Final answer
    x = 138,253.99

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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.