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Finding the Fourth Proportional to 180,573.45, 249,190.88 and 104,092.12

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Solution

The fourth proportional to 180,573.45, 249,190.88 and 104,092.12 is: 143,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,573.45 : 249,190.88 = 104,092.12 : x
  2. Step 2: Convert to fraction form
    180,573.45/249,190.88 = 104,092.12/x
  3. Step 3: Cross multiply
    180,573.45x = 249,190.88 × 104,092.12
  4. Step 4: Simplify right side
    180,573.45x = 25,938,807,360.41
  5. Step 5: Solve for x
    x = 25,938,807,360.41/180,573.45
  6. Step 6: Final answer
    x = 143,646.85

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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.