Home / 166,931.28-250,406-42,273.36

Finding the Fourth Proportional to 166,931.28, 250,406 and 42,273.36

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Solution

The fourth proportional to 166,931.28, 250,406 and 42,273.36 is: 63,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,931.28 : 250,406 = 42,273.36 : x
  2. Step 2: Convert to fraction form
    166,931.28/250,406 = 42,273.36/x
  3. Step 3: Cross multiply
    166,931.28x = 250,406 × 42,273.36
  4. Step 4: Simplify right side
    166,931.28x = 10,585,502,984.16
  5. Step 5: Solve for x
    x = 10,585,502,984.16/166,931.28
  6. Step 6: Final answer
    x = 63,412.34

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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.