Home / 142,644.85-213,967.07-42,804.88

Finding the Fourth Proportional to 142,644.85, 213,967.07 and 42,804.88

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Solution

The fourth proportional to 142,644.85, 213,967.07 and 42,804.88 is: 64,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,644.85 : 213,967.07 = 42,804.88 : x
  2. Step 2: Convert to fraction form
    142,644.85/213,967.07 = 42,804.88/x
  3. Step 3: Cross multiply
    142,644.85x = 213,967.07 × 42,804.88
  4. Step 4: Simplify right side
    142,644.85x = 9,158,834,755.30
  5. Step 5: Solve for x
    x = 9,158,834,755.30/142,644.85
  6. Step 6: Final answer
    x = 64,207.26

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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.