Home / 131,898.79-182,029.26-74,518.21

Finding the Fourth Proportional to 131,898.79, 182,029.26 and 74,518.21

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Solution

The fourth proportional to 131,898.79, 182,029.26 and 74,518.21 is: 102,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,898.79 : 182,029.26 = 74,518.21 : x
  2. Step 2: Convert to fraction form
    131,898.79/182,029.26 = 74,518.21/x
  3. Step 3: Cross multiply
    131,898.79x = 182,029.26 × 74,518.21
  4. Step 4: Simplify right side
    131,898.79x = 13,564,494,622.82
  5. Step 5: Solve for x
    x = 13,564,494,622.82/131,898.79
  6. Step 6: Final answer
    x = 102,840.17

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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.