Home / 131,665.08-197,518.16-42,897.96

Finding the Fourth Proportional to 131,665.08, 197,518.16 and 42,897.96

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Solution

The fourth proportional to 131,665.08, 197,518.16 and 42,897.96 is: 64,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,665.08 : 197,518.16 = 42,897.96 : x
  2. Step 2: Convert to fraction form
    131,665.08/197,518.16 = 42,897.96/x
  3. Step 3: Cross multiply
    131,665.08x = 197,518.16 × 42,897.96
  4. Step 4: Simplify right side
    131,665.08x = 8,473,126,126.95
  5. Step 5: Solve for x
    x = 8,473,126,126.95/131,665.08
  6. Step 6: Final answer
    x = 64,353.63

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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.