Home / 125,016.23-187,505.33-40,776.28

Finding the Fourth Proportional to 125,016.23, 187,505.33 and 40,776.28

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Solution

The fourth proportional to 125,016.23, 187,505.33 and 40,776.28 is: 61,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,016.23 : 187,505.33 = 40,776.28 : x
  2. Step 2: Convert to fraction form
    125,016.23/187,505.33 = 40,776.28/x
  3. Step 3: Cross multiply
    125,016.23x = 187,505.33 × 40,776.28
  4. Step 4: Simplify right side
    125,016.23x = 7,645,769,164.93
  5. Step 5: Solve for x
    x = 7,645,769,164.93/125,016.23
  6. Step 6: Final answer
    x = 61,158.21

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1.5x scale

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.