Home / 103,521.60-155,282.40-36,993.60

Finding the Fourth Proportional to 103,521.60, 155,282.40 and 36,993.60

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Solution

The fourth proportional to 103,521.60, 155,282.40 and 36,993.60 is: 55,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521.60 : 155,282.40 = 36,993.60 : x
  2. Step 2: Convert to fraction form
    103,521.60/155,282.40 = 36,993.60/x
  3. Step 3: Cross multiply
    103,521.60x = 155,282.40 × 36,993.60
  4. Step 4: Simplify right side
    103,521.60x = 5,744,454,992.64
  5. Step 5: Solve for x
    x = 5,744,454,992.64/103,521.60
  6. Step 6: Final answer
    x = 55,490.40

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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.