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Finding the Fourth Proportional to 180,403.52, 249,006.90 and 104,966.60

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Solution

The fourth proportional to 180,403.52, 249,006.90 and 104,966.60 is: 144,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,403.52 : 249,006.90 = 104,966.60 : x
  2. Step 2: Convert to fraction form
    180,403.52/249,006.90 = 104,966.60/x
  3. Step 3: Cross multiply
    180,403.52x = 249,006.90 × 104,966.60
  4. Step 4: Simplify right side
    180,403.52x = 26,137,407,669.54
  5. Step 5: Solve for x
    x = 26,137,407,669.54/180,403.52
  6. Step 6: Final answer
    x = 144,883.02

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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.