Home / 102,516.40-153,774.60-92,148.40

Finding the Fourth Proportional to 102,516.40, 153,774.60 and 92,148.40

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Solution

The fourth proportional to 102,516.40, 153,774.60 and 92,148.40 is: 138,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,516.40 : 153,774.60 = 92,148.40 : x
  2. Step 2: Convert to fraction form
    102,516.40/153,774.60 = 92,148.40/x
  3. Step 3: Cross multiply
    102,516.40x = 153,774.60 × 92,148.40
  4. Step 4: Simplify right side
    102,516.40x = 14,170,083,350.64
  5. Step 5: Solve for x
    x = 14,170,083,350.64/102,516.40
  6. Step 6: Final answer
    x = 138,222.60

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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.