Home / 157,928.30-236,931.36-111,272.30

Finding the Fourth Proportional to 157,928.30, 236,931.36 and 111,272.30

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Solution

The fourth proportional to 157,928.30, 236,931.36 and 111,272.30 is: 166,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,928.30 : 236,931.36 = 111,272.30 : x
  2. Step 2: Convert to fraction form
    157,928.30/236,931.36 = 111,272.30/x
  3. Step 3: Cross multiply
    157,928.30x = 236,931.36 × 111,272.30
  4. Step 4: Simplify right side
    157,928.30x = 26,363,897,369.33
  5. Step 5: Solve for x
    x = 26,363,897,369.33/157,928.30
  6. Step 6: Final answer
    x = 166,935.87

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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.