Home / 150,939.42-208,508.93-142,967.81

Finding the Fourth Proportional to 150,939.42, 208,508.93 and 142,967.81

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Solution

The fourth proportional to 150,939.42, 208,508.93 and 142,967.81 is: 197,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,939.42 : 208,508.93 = 142,967.81 : x
  2. Step 2: Convert to fraction form
    150,939.42/208,508.93 = 142,967.81/x
  3. Step 3: Cross multiply
    150,939.42x = 208,508.93 × 142,967.81
  4. Step 4: Simplify right side
    150,939.42x = 29,810,063,330.16
  5. Step 5: Solve for x
    x = 29,810,063,330.16/150,939.42
  6. Step 6: Final answer
    x = 197,496.87

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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.