Home / 103,632.90-155,334.15-56,919.30

Finding the Fourth Proportional to 103,632.90, 155,334.15 and 56,919.30

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Solution

The fourth proportional to 103,632.90, 155,334.15 and 56,919.30 is: 85,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.90 : 155,334.15 = 56,919.30 : x
  2. Step 2: Convert to fraction form
    103,632.90/155,334.15 = 56,919.30/x
  3. Step 3: Cross multiply
    103,632.90x = 155,334.15 × 56,919.30
  4. Step 4: Simplify right side
    103,632.90x = 8,841,511,084.10
  5. Step 5: Solve for x
    x = 8,841,511,084.10/103,632.90
  6. Step 6: Final answer
    x = 85,315.68

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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.