Home / 166,494.81-229,762.47-90,013.92

Finding the Fourth Proportional to 166,494.81, 229,762.47 and 90,013.92

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Solution

The fourth proportional to 166,494.81, 229,762.47 and 90,013.92 is: 124,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,494.81 : 229,762.47 = 90,013.92 : x
  2. Step 2: Convert to fraction form
    166,494.81/229,762.47 = 90,013.92/x
  3. Step 3: Cross multiply
    166,494.81x = 229,762.47 × 90,013.92
  4. Step 4: Simplify right side
    166,494.81x = 20,681,820,593.58
  5. Step 5: Solve for x
    x = 20,681,820,593.58/166,494.81
  6. Step 6: Final answer
    x = 124,219.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.