Home / 170,229.84-254,864.64-90,086.28

Finding the Fourth Proportional to 170,229.84, 254,864.64 and 90,086.28

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Solution

The fourth proportional to 170,229.84, 254,864.64 and 90,086.28 is: 134,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,229.84 : 254,864.64 = 90,086.28 : x
  2. Step 2: Convert to fraction form
    170,229.84/254,864.64 = 90,086.28/x
  3. Step 3: Cross multiply
    170,229.84x = 254,864.64 × 90,086.28
  4. Step 4: Simplify right side
    170,229.84x = 22,959,807,321.14
  5. Step 5: Solve for x
    x = 22,959,807,321.14/170,229.84
  6. Step 6: Final answer
    x = 134,875.34

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1.5x scale

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.