Home / 170,426.16-235,182.72-106,799.04

Finding the Fourth Proportional to 170,426.16, 235,182.72 and 106,799.04

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Solution

The fourth proportional to 170,426.16, 235,182.72 and 106,799.04 is: 147,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,426.16 : 235,182.72 = 106,799.04 : x
  2. Step 2: Convert to fraction form
    170,426.16/235,182.72 = 106,799.04/x
  3. Step 3: Cross multiply
    170,426.16x = 235,182.72 × 106,799.04
  4. Step 4: Simplify right side
    170,426.16x = 25,117,288,720.59
  5. Step 5: Solve for x
    x = 25,117,288,720.59/170,426.16
  6. Step 6: Final answer
    x = 147,379.30

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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.