Home / 131,675.81-197,493.05-42,928.87

Finding the Fourth Proportional to 131,675.81, 197,493.05 and 42,928.87

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Solution

The fourth proportional to 131,675.81, 197,493.05 and 42,928.87 is: 64,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,675.81 : 197,493.05 = 42,928.87 : x
  2. Step 2: Convert to fraction form
    131,675.81/197,493.05 = 42,928.87/x
  3. Step 3: Cross multiply
    131,675.81x = 197,493.05 × 42,928.87
  4. Step 4: Simplify right side
    131,675.81x = 8,478,152,267.24
  5. Step 5: Solve for x
    x = 8,478,152,267.24/131,675.81
  6. Step 6: Final answer
    x = 64,386.56

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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.