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Finding the Fourth Proportional to 140,010.60, 209,724.30 and 140,010.60

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Solution

The fourth proportional to 140,010.60, 209,724.30 and 140,010.60 is: 209,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.60 : 209,724.30 = 140,010.60 : x
  2. Step 2: Convert to fraction form
    140,010.60/209,724.30 = 140,010.60/x
  3. Step 3: Cross multiply
    140,010.60x = 209,724.30 × 140,010.60
  4. Step 4: Simplify right side
    140,010.60x = 29,363,625,077.58
  5. Step 5: Solve for x
    x = 29,363,625,077.58/140,010.60
  6. Step 6: Final answer
    x = 209,724.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.