Home / 102,405.70-153,608.55-94,111.30

Finding the Fourth Proportional to 102,405.70, 153,608.55 and 94,111.30

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Solution

The fourth proportional to 102,405.70, 153,608.55 and 94,111.30 is: 141,166.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,405.70 : 153,608.55 = 94,111.30 : x
  2. Step 2: Convert to fraction form
    102,405.70/153,608.55 = 94,111.30/x
  3. Step 3: Cross multiply
    102,405.70x = 153,608.55 × 94,111.30
  4. Step 4: Simplify right side
    102,405.70x = 14,456,300,331.62
  5. Step 5: Solve for x
    x = 14,456,300,331.62/102,405.70
  6. Step 6: Final answer
    x = 141,166.95

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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.