Home / 131,360.85-197,068.97-42,607.45

Finding the Fourth Proportional to 131,360.85, 197,068.97 and 42,607.45

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Solution

The fourth proportional to 131,360.85, 197,068.97 and 42,607.45 is: 63,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360.85 : 197,068.97 = 42,607.45 : x
  2. Step 2: Convert to fraction form
    131,360.85/197,068.97 = 42,607.45/x
  3. Step 3: Cross multiply
    131,360.85x = 197,068.97 × 42,607.45
  4. Step 4: Simplify right side
    131,360.85x = 8,396,606,285.83
  5. Step 5: Solve for x
    x = 8,396,606,285.83/131,360.85
  6. Step 6: Final answer
    x = 63,920.16

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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.