Home / 103,523.10-155,284.65-96,962.10

Finding the Fourth Proportional to 103,523.10, 155,284.65 and 96,962.10

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Solution

The fourth proportional to 103,523.10, 155,284.65 and 96,962.10 is: 145,443.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,523.10 : 155,284.65 = 96,962.10 : x
  2. Step 2: Convert to fraction form
    103,523.10/155,284.65 = 96,962.10/x
  3. Step 3: Cross multiply
    103,523.10x = 155,284.65 × 96,962.10
  4. Step 4: Simplify right side
    103,523.10x = 15,056,725,761.77
  5. Step 5: Solve for x
    x = 15,056,725,761.77/103,523.10
  6. Step 6: Final answer
    x = 145,443.15

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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.