Home / 131,421.96-197,164.08-42,675.48

Finding the Fourth Proportional to 131,421.96, 197,164.08 and 42,675.48

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Solution

The fourth proportional to 131,421.96, 197,164.08 and 42,675.48 is: 64,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,421.96 : 197,164.08 = 42,675.48 : x
  2. Step 2: Convert to fraction form
    131,421.96/197,164.08 = 42,675.48/x
  3. Step 3: Cross multiply
    131,421.96x = 197,164.08 × 42,675.48
  4. Step 4: Simplify right side
    131,421.96x = 8,414,071,752.76
  5. Step 5: Solve for x
    x = 8,414,071,752.76/131,421.96
  6. Step 6: Final answer
    x = 64,023.33

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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.