Home / 130,927.54-180,671.97-77,214.82

Finding the Fourth Proportional to 130,927.54, 180,671.97 and 77,214.82

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Solution

The fourth proportional to 130,927.54, 180,671.97 and 77,214.82 is: 106,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,927.54 : 180,671.97 = 77,214.82 : x
  2. Step 2: Convert to fraction form
    130,927.54/180,671.97 = 77,214.82/x
  3. Step 3: Cross multiply
    130,927.54x = 180,671.97 × 77,214.82
  4. Step 4: Simplify right side
    130,927.54x = 13,950,553,642.60
  5. Step 5: Solve for x
    x = 13,950,553,642.60/130,927.54
  6. Step 6: Final answer
    x = 106,551.71

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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.