Home / 115,807.59-173,710.98-76,077.36

Finding the Fourth Proportional to 115,807.59, 173,710.98 and 76,077.36

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Solution

The fourth proportional to 115,807.59, 173,710.98 and 76,077.36 is: 114,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,807.59 : 173,710.98 = 76,077.36 : x
  2. Step 2: Convert to fraction form
    115,807.59/173,710.98 = 76,077.36/x
  3. Step 3: Cross multiply
    115,807.59x = 173,710.98 × 76,077.36
  4. Step 4: Simplify right side
    115,807.59x = 13,215,472,761.41
  5. Step 5: Solve for x
    x = 13,215,472,761.41/115,807.59
  6. Step 6: Final answer
    x = 114,115.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.