Home / 143,312.20-214,970.10-43,473.40

Finding the Fourth Proportional to 143,312.20, 214,970.10 and 43,473.40

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Solution

The fourth proportional to 143,312.20, 214,970.10 and 43,473.40 is: 65,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,312.20 : 214,970.10 = 43,473.40 : x
  2. Step 2: Convert to fraction form
    143,312.20/214,970.10 = 43,473.40/x
  3. Step 3: Cross multiply
    143,312.20x = 214,970.10 × 43,473.40
  4. Step 4: Simplify right side
    143,312.20x = 9,345,481,145.34
  5. Step 5: Solve for x
    x = 9,345,481,145.34/143,312.20
  6. Step 6: Final answer
    x = 65,210.65

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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.