Home / 145,259.34-217,889.04-40,086.54

Finding the Fourth Proportional to 145,259.34, 217,889.04 and 40,086.54

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Solution

The fourth proportional to 145,259.34, 217,889.04 and 40,086.54 is: 60,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,259.34 : 217,889.04 = 40,086.54 : x
  2. Step 2: Convert to fraction form
    145,259.34/217,889.04 = 40,086.54/x
  3. Step 3: Cross multiply
    145,259.34x = 217,889.04 × 40,086.54
  4. Step 4: Simplify right side
    145,259.34x = 8,734,417,717.52
  5. Step 5: Solve for x
    x = 8,734,417,717.52/145,259.34
  6. Step 6: Final answer
    x = 60,129.82

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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.