Home / 103,615.30-155,444.55-59,205.70

Finding the Fourth Proportional to 103,615.30, 155,444.55 and 59,205.70

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Solution

The fourth proportional to 103,615.30, 155,444.55 and 59,205.70 is: 88,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,615.30 : 155,444.55 = 59,205.70 : x
  2. Step 2: Convert to fraction form
    103,615.30/155,444.55 = 59,205.70/x
  3. Step 3: Cross multiply
    103,615.30x = 155,444.55 × 59,205.70
  4. Step 4: Simplify right side
    103,615.30x = 9,203,203,393.94
  5. Step 5: Solve for x
    x = 9,203,203,393.94/103,615.30
  6. Step 6: Final answer
    x = 88,820.89

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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.