Home / 180,853.18-249,583.56-100,276

Finding the Fourth Proportional to 180,853.18, 249,583.56 and 100,276

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Solution

The fourth proportional to 180,853.18, 249,583.56 and 100,276 is: 138,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,853.18 : 249,583.56 = 100,276 : x
  2. Step 2: Convert to fraction form
    180,853.18/249,583.56 = 100,276/x
  3. Step 3: Cross multiply
    180,853.18x = 249,583.56 × 100,276
  4. Step 4: Simplify right side
    180,853.18x = 25,027,241,062.56
  5. Step 5: Solve for x
    x = 25,027,241,062.56/180,853.18
  6. Step 6: Final answer
    x = 138,384.30

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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.