Home / 112,141.20-168,445.80-94,645.20

Finding the Fourth Proportional to 112,141.20, 168,445.80 and 94,645.20

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Solution

The fourth proportional to 112,141.20, 168,445.80 and 94,645.20 is: 142,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,141.20 : 168,445.80 = 94,645.20 : x
  2. Step 2: Convert to fraction form
    112,141.20/168,445.80 = 94,645.20/x
  3. Step 3: Cross multiply
    112,141.20x = 168,445.80 × 94,645.20
  4. Step 4: Simplify right side
    112,141.20x = 15,942,586,430.16
  5. Step 5: Solve for x
    x = 15,942,586,430.16/112,141.20
  6. Step 6: Final answer
    x = 142,165.29

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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.