Home / 170,403.60-235,151.73-106,776.48

Finding the Fourth Proportional to 170,403.60, 235,151.73 and 106,776.48

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Solution

The fourth proportional to 170,403.60, 235,151.73 and 106,776.48 is: 147,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,403.60 : 235,151.73 = 106,776.48 : x
  2. Step 2: Convert to fraction form
    170,403.60/235,151.73 = 106,776.48/x
  3. Step 3: Cross multiply
    170,403.60x = 235,151.73 × 106,776.48
  4. Step 4: Simplify right side
    170,403.60x = 25,108,673,995.31
  5. Step 5: Solve for x
    x = 25,108,673,995.31/170,403.60
  6. Step 6: Final answer
    x = 147,348.26

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1.5x scale

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.