Home / 145,969.34-218,794.06-57,125.20

Finding the Fourth Proportional to 145,969.34, 218,794.06 and 57,125.20

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Solution

The fourth proportional to 145,969.34, 218,794.06 and 57,125.20 is: 85,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,969.34 : 218,794.06 = 57,125.20 : x
  2. Step 2: Convert to fraction form
    145,969.34/218,794.06 = 57,125.20/x
  3. Step 3: Cross multiply
    145,969.34x = 218,794.06 × 57,125.20
  4. Step 4: Simplify right side
    145,969.34x = 12,498,654,436.31
  5. Step 5: Solve for x
    x = 12,498,654,436.31/145,969.34
  6. Step 6: Final answer
    x = 85,625.20

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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.