Home / 103,335.43-155,006.97-28,461.37

Finding the Fourth Proportional to 103,335.43, 155,006.97 and 28,461.37

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Solution

The fourth proportional to 103,335.43, 155,006.97 and 28,461.37 is: 42,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.43 : 155,006.97 = 28,461.37 : x
  2. Step 2: Convert to fraction form
    103,335.43/155,006.97 = 28,461.37/x
  3. Step 3: Cross multiply
    103,335.43x = 155,006.97 × 28,461.37
  4. Step 4: Simplify right side
    103,335.43x = 4,411,710,725.75
  5. Step 5: Solve for x
    x = 4,411,710,725.75/103,335.43
  6. Step 6: Final answer
    x = 42,693.11

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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.