Home / 131,628.10-197,441.98-42,881.46

Finding the Fourth Proportional to 131,628.10, 197,441.98 and 42,881.46

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Solution

The fourth proportional to 131,628.10, 197,441.98 and 42,881.46 is: 64,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,628.10 : 197,441.98 = 42,881.46 : x
  2. Step 2: Convert to fraction form
    131,628.10/197,441.98 = 42,881.46/x
  3. Step 3: Cross multiply
    131,628.10x = 197,441.98 × 42,881.46
  4. Step 4: Simplify right side
    131,628.10x = 8,466,600,367.69
  5. Step 5: Solve for x
    x = 8,466,600,367.69/131,628.10
  6. Step 6: Final answer
    x = 64,322.13

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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.