Home / 164,753.85-247,130.79-142,501.14

Finding the Fourth Proportional to 164,753.85, 247,130.79 and 142,501.14

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Solution

The fourth proportional to 164,753.85, 247,130.79 and 142,501.14 is: 213,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,753.85 : 247,130.79 = 142,501.14 : x
  2. Step 2: Convert to fraction form
    164,753.85/247,130.79 = 142,501.14/x
  3. Step 3: Cross multiply
    164,753.85x = 247,130.79 × 142,501.14
  4. Step 4: Simplify right side
    164,753.85x = 35,216,419,304.10
  5. Step 5: Solve for x
    x = 35,216,419,304.10/164,753.85
  6. Step 6: Final answer
    x = 213,751.72

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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.