Home / 131,193.54-181,071.45-74,601.54

Finding the Fourth Proportional to 131,193.54, 181,071.45 and 74,601.54

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Solution

The fourth proportional to 131,193.54, 181,071.45 and 74,601.54 is: 102,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,193.54 : 181,071.45 = 74,601.54 : x
  2. Step 2: Convert to fraction form
    131,193.54/181,071.45 = 74,601.54/x
  3. Step 3: Cross multiply
    131,193.54x = 181,071.45 × 74,601.54
  4. Step 4: Simplify right side
    131,193.54x = 13,508,209,020.03
  5. Step 5: Solve for x
    x = 13,508,209,020.03/131,193.54
  6. Step 6: Final answer
    x = 102,963.98

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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.