Home / 142,811.30-214,290.30-62,905.26

Finding the Fourth Proportional to 142,811.30, 214,290.30 and 62,905.26

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Solution

The fourth proportional to 142,811.30, 214,290.30 and 62,905.26 is: 94,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,811.30 : 214,290.30 = 62,905.26 : x
  2. Step 2: Convert to fraction form
    142,811.30/214,290.30 = 62,905.26/x
  3. Step 3: Cross multiply
    142,811.30x = 214,290.30 × 62,905.26
  4. Step 4: Simplify right side
    142,811.30x = 13,479,987,036.98
  5. Step 5: Solve for x
    x = 13,479,987,036.98/142,811.30
  6. Step 6: Final answer
    x = 94,390.20

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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.