Home / 125,158.74-187,698.81-40,899.69

Finding the Fourth Proportional to 125,158.74, 187,698.81 and 40,899.69

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Solution

The fourth proportional to 125,158.74, 187,698.81 and 40,899.69 is: 61,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,158.74 : 187,698.81 = 40,899.69 : x
  2. Step 2: Convert to fraction form
    125,158.74/187,698.81 = 40,899.69/x
  3. Step 3: Cross multiply
    125,158.74x = 187,698.81 × 40,899.69
  4. Step 4: Simplify right side
    125,158.74x = 7,676,823,142.37
  5. Step 5: Solve for x
    x = 7,676,823,142.37/125,158.74
  6. Step 6: Final answer
    x = 61,336.69

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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.