Home / 142,948.32-214,353-43,089.96

Finding the Fourth Proportional to 142,948.32, 214,353 and 43,089.96

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Solution

The fourth proportional to 142,948.32, 214,353 and 43,089.96 is: 64,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,948.32 : 214,353 = 43,089.96 : x
  2. Step 2: Convert to fraction form
    142,948.32/214,353 = 43,089.96/x
  3. Step 3: Cross multiply
    142,948.32x = 214,353 × 43,089.96
  4. Step 4: Simplify right side
    142,948.32x = 9,236,462,195.88
  5. Step 5: Solve for x
    x = 9,236,462,195.88/142,948.32
  6. Step 6: Final answer
    x = 64,614.00

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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.