Home / 140,007.09-210,009.73-83,863.16

Finding the Fourth Proportional to 140,007.09, 210,009.73 and 83,863.16

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Solution

The fourth proportional to 140,007.09, 210,009.73 and 83,863.16 is: 125,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.09 : 210,009.73 = 83,863.16 : x
  2. Step 2: Convert to fraction form
    140,007.09/210,009.73 = 83,863.16/x
  3. Step 3: Cross multiply
    140,007.09x = 210,009.73 × 83,863.16
  4. Step 4: Simplify right side
    140,007.09x = 17,612,079,588.55
  5. Step 5: Solve for x
    x = 17,612,079,588.55/140,007.09
  6. Step 6: Final answer
    x = 125,794.20

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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.