Home / 103,611.90-155,341.05-44,399.10

Finding the Fourth Proportional to 103,611.90, 155,341.05 and 44,399.10

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Solution

The fourth proportional to 103,611.90, 155,341.05 and 44,399.10 is: 66,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611.90 : 155,341.05 = 44,399.10 : x
  2. Step 2: Convert to fraction form
    103,611.90/155,341.05 = 44,399.10/x
  3. Step 3: Cross multiply
    103,611.90x = 155,341.05 × 44,399.10
  4. Step 4: Simplify right side
    103,611.90x = 6,897,002,813.06
  5. Step 5: Solve for x
    x = 6,897,002,813.06/103,611.90
  6. Step 6: Final answer
    x = 66,565.74

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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.