Home / 143,923.80-215,885.70-50,417.40

Finding the Fourth Proportional to 143,923.80, 215,885.70 and 50,417.40

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Solution

The fourth proportional to 143,923.80, 215,885.70 and 50,417.40 is: 75,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,923.80 : 215,885.70 = 50,417.40 : x
  2. Step 2: Convert to fraction form
    143,923.80/215,885.70 = 50,417.40/x
  3. Step 3: Cross multiply
    143,923.80x = 215,885.70 × 50,417.40
  4. Step 4: Simplify right side
    143,923.80x = 10,884,395,691.18
  5. Step 5: Solve for x
    x = 10,884,395,691.18/143,923.80
  6. Step 6: Final answer
    x = 75,626.10

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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.