Home / 125,168.36-187,750.81-30,399.27

Finding the Fourth Proportional to 125,168.36, 187,750.81 and 30,399.27

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Solution

The fourth proportional to 125,168.36, 187,750.81 and 30,399.27 is: 45,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,168.36 : 187,750.81 = 30,399.27 : x
  2. Step 2: Convert to fraction form
    125,168.36/187,750.81 = 30,399.27/x
  3. Step 3: Cross multiply
    125,168.36x = 187,750.81 × 30,399.27
  4. Step 4: Simplify right side
    125,168.36x = 5,707,486,899.84
  5. Step 5: Solve for x
    x = 5,707,486,899.84/125,168.36
  6. Step 6: Final answer
    x = 45,598.48

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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.