Home / 145,254.60-217,890.09-51,760.35

Finding the Fourth Proportional to 145,254.60, 217,890.09 and 51,760.35

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Solution

The fourth proportional to 145,254.60, 217,890.09 and 51,760.35 is: 77,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,254.60 : 217,890.09 = 51,760.35 : x
  2. Step 2: Convert to fraction form
    145,254.60/217,890.09 = 51,760.35/x
  3. Step 3: Cross multiply
    145,254.60x = 217,890.09 × 51,760.35
  4. Step 4: Simplify right side
    145,254.60x = 11,278,066,230.48
  5. Step 5: Solve for x
    x = 11,278,066,230.48/145,254.60
  6. Step 6: Final answer
    x = 77,643.44

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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.