Home / 125,106.57-187,665.51-40,871.88

Finding the Fourth Proportional to 125,106.57, 187,665.51 and 40,871.88

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Solution

The fourth proportional to 125,106.57, 187,665.51 and 40,871.88 is: 61,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,106.57 : 187,665.51 = 40,871.88 : x
  2. Step 2: Convert to fraction form
    125,106.57/187,665.51 = 40,871.88/x
  3. Step 3: Cross multiply
    125,106.57x = 187,665.51 × 40,871.88
  4. Step 4: Simplify right side
    125,106.57x = 7,670,242,204.86
  5. Step 5: Solve for x
    x = 7,670,242,204.86/125,106.57
  6. Step 6: Final answer
    x = 61,309.67

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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.