Home / 170,100.30-255,150.45-43,740.30

Finding the Fourth Proportional to 170,100.30, 255,150.45 and 43,740.30

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Solution

The fourth proportional to 170,100.30, 255,150.45 and 43,740.30 is: 65,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,100.30 : 255,150.45 = 43,740.30 : x
  2. Step 2: Convert to fraction form
    170,100.30/255,150.45 = 43,740.30/x
  3. Step 3: Cross multiply
    170,100.30x = 255,150.45 × 43,740.30
  4. Step 4: Simplify right side
    170,100.30x = 11,160,357,228.14
  5. Step 5: Solve for x
    x = 11,160,357,228.14/170,100.30
  6. Step 6: Final answer
    x = 65,610.45

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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.