Home / 238,901.30-329,683.85-131,471.33

Finding the Fourth Proportional to 238,901.30, 329,683.85 and 131,471.33

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Solution

The fourth proportional to 238,901.30, 329,683.85 and 131,471.33 is: 181,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,901.30 : 329,683.85 = 131,471.33 : x
  2. Step 2: Convert to fraction form
    238,901.30/329,683.85 = 131,471.33/x
  3. Step 3: Cross multiply
    238,901.30x = 329,683.85 × 131,471.33
  4. Step 4: Simplify right side
    238,901.30x = 43,343,974,239.02
  5. Step 5: Solve for x
    x = 43,343,974,239.02/238,901.30
  6. Step 6: Final answer
    x = 181,430.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.