Home / 102,702.43-154,111.66-55,316.52

Finding the Fourth Proportional to 102,702.43, 154,111.66 and 55,316.52

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Solution

The fourth proportional to 102,702.43, 154,111.66 and 55,316.52 is: 83,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,702.43 : 154,111.66 = 55,316.52 : x
  2. Step 2: Convert to fraction form
    102,702.43/154,111.66 = 55,316.52/x
  3. Step 3: Cross multiply
    102,702.43x = 154,111.66 × 55,316.52
  4. Step 4: Simplify right side
    102,702.43x = 8,524,920,895.49
  5. Step 5: Solve for x
    x = 8,524,920,895.49/102,702.43
  6. Step 6: Final answer
    x = 83,006.03

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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.