Home / 180,858.06-249,596.91-100,293.30

Finding the Fourth Proportional to 180,858.06, 249,596.91 and 100,293.30

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Solution

The fourth proportional to 180,858.06, 249,596.91 and 100,293.30 is: 138,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,858.06 : 249,596.91 = 100,293.30 : x
  2. Step 2: Convert to fraction form
    180,858.06/249,596.91 = 100,293.30/x
  3. Step 3: Cross multiply
    180,858.06x = 249,596.91 × 100,293.30
  4. Step 4: Simplify right side
    180,858.06x = 25,032,897,773.70
  5. Step 5: Solve for x
    x = 25,032,897,773.70/180,858.06
  6. Step 6: Final answer
    x = 138,411.85

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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.