Home / 136,594.05-188,495.13-75,342.66

Finding the Fourth Proportional to 136,594.05, 188,495.13 and 75,342.66

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Solution

The fourth proportional to 136,594.05, 188,495.13 and 75,342.66 is: 103,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,594.05 : 188,495.13 = 75,342.66 : x
  2. Step 2: Convert to fraction form
    136,594.05/188,495.13 = 75,342.66/x
  3. Step 3: Cross multiply
    136,594.05x = 188,495.13 × 75,342.66
  4. Step 4: Simplify right side
    136,594.05x = 14,201,724,491.25
  5. Step 5: Solve for x
    x = 14,201,724,491.25/136,594.05
  6. Step 6: Final answer
    x = 103,970.30

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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.