Home / 140,018.40-210,040.68-55,758.25

Finding the Fourth Proportional to 140,018.40, 210,040.68 and 55,758.25

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Solution

The fourth proportional to 140,018.40, 210,040.68 and 55,758.25 is: 83,642.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,018.40 : 210,040.68 = 55,758.25 : x
  2. Step 2: Convert to fraction form
    140,018.40/210,040.68 = 55,758.25/x
  3. Step 3: Cross multiply
    140,018.40x = 210,040.68 × 55,758.25
  4. Step 4: Simplify right side
    140,018.40x = 11,711,500,195.26
  5. Step 5: Solve for x
    x = 11,711,500,195.26/140,018.40
  6. Step 6: Final answer
    x = 83,642.58

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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.