Home / 148,666.17-205,329.60-97,905.80

Finding the Fourth Proportional to 148,666.17, 205,329.60 and 97,905.80

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Solution

The fourth proportional to 148,666.17, 205,329.60 and 97,905.80 is: 135,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,666.17 : 205,329.60 = 97,905.80 : x
  2. Step 2: Convert to fraction form
    148,666.17/205,329.60 = 97,905.80/x
  3. Step 3: Cross multiply
    148,666.17x = 205,329.60 × 97,905.80
  4. Step 4: Simplify right side
    148,666.17x = 20,102,958,897.86
  5. Step 5: Solve for x
    x = 20,102,958,897.86/148,666.17
  6. Step 6: Final answer
    x = 135,222.14

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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.