Home / 148,966.67-205,577.93-80,988.23

Finding the Fourth Proportional to 148,966.67, 205,577.93 and 80,988.23

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Solution

The fourth proportional to 148,966.67, 205,577.93 and 80,988.23 is: 111,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,966.67 : 205,577.93 = 80,988.23 : x
  2. Step 2: Convert to fraction form
    148,966.67/205,577.93 = 80,988.23/x
  3. Step 3: Cross multiply
    148,966.67x = 205,577.93 × 80,988.23
  4. Step 4: Simplify right side
    148,966.67x = 16,649,392,677.76
  5. Step 5: Solve for x
    x = 16,649,392,677.76/148,966.67
  6. Step 6: Final answer
    x = 111,765.89

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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.