Home / 131,432.64-197,166.78-42,657.48

Finding the Fourth Proportional to 131,432.64, 197,166.78 and 42,657.48

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Solution

The fourth proportional to 131,432.64, 197,166.78 and 42,657.48 is: 63,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.64 : 197,166.78 = 42,657.48 : x
  2. Step 2: Convert to fraction form
    131,432.64/197,166.78 = 42,657.48/x
  3. Step 3: Cross multiply
    131,432.64x = 197,166.78 × 42,657.48
  4. Step 4: Simplify right side
    131,432.64x = 8,410,637,974.51
  5. Step 5: Solve for x
    x = 8,410,637,974.51/131,432.64
  6. Step 6: Final answer
    x = 63,992.00

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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.