Home / 131,840.33-181,950.84-74,490.17

Finding the Fourth Proportional to 131,840.33, 181,950.84 and 74,490.17

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Solution

The fourth proportional to 131,840.33, 181,950.84 and 74,490.17 is: 102,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840.33 : 181,950.84 = 74,490.17 : x
  2. Step 2: Convert to fraction form
    131,840.33/181,950.84 = 74,490.17/x
  3. Step 3: Cross multiply
    131,840.33x = 181,950.84 × 74,490.17
  4. Step 4: Simplify right side
    131,840.33x = 13,553,548,093.49
  5. Step 5: Solve for x
    x = 13,553,548,093.49/131,840.33
  6. Step 6: Final answer
    x = 102,802.75

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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.