Home / 140,130.74-210,308.22-73,610.12

Finding the Fourth Proportional to 140,130.74, 210,308.22 and 73,610.12

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Solution

The fourth proportional to 140,130.74, 210,308.22 and 73,610.12 is: 110,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,130.74 : 210,308.22 = 73,610.12 : x
  2. Step 2: Convert to fraction form
    140,130.74/210,308.22 = 73,610.12/x
  3. Step 3: Cross multiply
    140,130.74x = 210,308.22 × 73,610.12
  4. Step 4: Simplify right side
    140,130.74x = 15,480,813,311.19
  5. Step 5: Solve for x
    x = 15,480,813,311.19/140,130.74
  6. Step 6: Final answer
    x = 110,474.07

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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.