Home / 103,637.20-155,417.40-33,518.80

Finding the Fourth Proportional to 103,637.20, 155,417.40 and 33,518.80

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Solution

The fourth proportional to 103,637.20, 155,417.40 and 33,518.80 is: 50,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.20 : 155,417.40 = 33,518.80 : x
  2. Step 2: Convert to fraction form
    103,637.20/155,417.40 = 33,518.80/x
  3. Step 3: Cross multiply
    103,637.20x = 155,417.40 × 33,518.80
  4. Step 4: Simplify right side
    103,637.20x = 5,209,404,747.12
  5. Step 5: Solve for x
    x = 5,209,404,747.12/103,637.20
  6. Step 6: Final answer
    x = 50,265.78

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1.5x scale

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.