Home / 103,999.42-155,903.46-56,545.18

Finding the Fourth Proportional to 103,999.42, 155,903.46 and 56,545.18

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Solution

The fourth proportional to 103,999.42, 155,903.46 and 56,545.18 is: 84,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,999.42 : 155,903.46 = 56,545.18 : x
  2. Step 2: Convert to fraction form
    103,999.42/155,903.46 = 56,545.18/x
  3. Step 3: Cross multiply
    103,999.42x = 155,903.46 × 56,545.18
  4. Step 4: Simplify right side
    103,999.42x = 8,815,589,208.32
  5. Step 5: Solve for x
    x = 8,815,589,208.32/103,999.42
  6. Step 6: Final answer
    x = 84,765.75

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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.