Home / 154,031.80-231,047.70-135,952.60

Finding the Fourth Proportional to 154,031.80, 231,047.70 and 135,952.60

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Solution

The fourth proportional to 154,031.80, 231,047.70 and 135,952.60 is: 203,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,031.80 : 231,047.70 = 135,952.60 : x
  2. Step 2: Convert to fraction form
    154,031.80/231,047.70 = 135,952.60/x
  3. Step 3: Cross multiply
    154,031.80x = 231,047.70 × 135,952.60
  4. Step 4: Simplify right side
    154,031.80x = 31,411,535,539.02
  5. Step 5: Solve for x
    x = 31,411,535,539.02/154,031.80
  6. Step 6: Final answer
    x = 203,928.90

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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.