Home / 140,215.80-210,323.70-134,772.60

Finding the Fourth Proportional to 140,215.80, 210,323.70 and 134,772.60

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Solution

The fourth proportional to 140,215.80, 210,323.70 and 134,772.60 is: 202,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,215.80 : 210,323.70 = 134,772.60 : x
  2. Step 2: Convert to fraction form
    140,215.80/210,323.70 = 134,772.60/x
  3. Step 3: Cross multiply
    140,215.80x = 210,323.70 × 134,772.60
  4. Step 4: Simplify right side
    140,215.80x = 28,345,871,890.62
  5. Step 5: Solve for x
    x = 28,345,871,890.62/140,215.80
  6. Step 6: Final answer
    x = 202,158.90

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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.