Home / 148,730.40-205,191.48-97,770.60

Finding the Fourth Proportional to 148,730.40, 205,191.48 and 97,770.60

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Solution

The fourth proportional to 148,730.40, 205,191.48 and 97,770.60 is: 134,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,730.40 : 205,191.48 = 97,770.60 : x
  2. Step 2: Convert to fraction form
    148,730.40/205,191.48 = 97,770.60/x
  3. Step 3: Cross multiply
    148,730.40x = 205,191.48 × 97,770.60
  4. Step 4: Simplify right side
    148,730.40x = 20,061,694,114.49
  5. Step 5: Solve for x
    x = 20,061,694,114.49/148,730.40
  6. Step 6: Final answer
    x = 134,886.31

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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.