Home / 170,007.40-255,011.10-140,458.60

Finding the Fourth Proportional to 170,007.40, 255,011.10 and 140,458.60

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Solution

The fourth proportional to 170,007.40, 255,011.10 and 140,458.60 is: 210,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,007.40 : 255,011.10 = 140,458.60 : x
  2. Step 2: Convert to fraction form
    170,007.40/255,011.10 = 140,458.60/x
  3. Step 3: Cross multiply
    170,007.40x = 255,011.10 × 140,458.60
  4. Step 4: Simplify right side
    170,007.40x = 35,818,502,090.46
  5. Step 5: Solve for x
    x = 35,818,502,090.46/170,007.40
  6. Step 6: Final answer
    x = 210,687.90

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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.