Home / 180,853.67-249,577.64-100,279.13

Finding the Fourth Proportional to 180,853.67, 249,577.64 and 100,279.13

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Solution

The fourth proportional to 180,853.67, 249,577.64 and 100,279.13 is: 138,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,853.67 : 249,577.64 = 100,279.13 : x
  2. Step 2: Convert to fraction form
    180,853.67/249,577.64 = 100,279.13/x
  3. Step 3: Cross multiply
    180,853.67x = 249,577.64 × 100,279.13
  4. Step 4: Simplify right side
    180,853.67x = 25,027,427,233.42
  5. Step 5: Solve for x
    x = 25,027,427,233.42/180,853.67
  6. Step 6: Final answer
    x = 138,384.95

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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.