Home / 143,302.20-214,955.10-43,463.40

Finding the Fourth Proportional to 143,302.20, 214,955.10 and 43,463.40

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Solution

The fourth proportional to 143,302.20, 214,955.10 and 43,463.40 is: 65,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,302.20 : 214,955.10 = 43,463.40 : x
  2. Step 2: Convert to fraction form
    143,302.20/214,955.10 = 43,463.40/x
  3. Step 3: Cross multiply
    143,302.20x = 214,955.10 × 43,463.40
  4. Step 4: Simplify right side
    143,302.20x = 9,342,679,493.34
  5. Step 5: Solve for x
    x = 9,342,679,493.34/143,302.20
  6. Step 6: Final answer
    x = 65,195.65

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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.