Home / 103,199.48-142,455.83-69,195.57

Finding the Fourth Proportional to 103,199.48, 142,455.83 and 69,195.57

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Solution

The fourth proportional to 103,199.48, 142,455.83 and 69,195.57 is: 95,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,199.48 : 142,455.83 = 69,195.57 : x
  2. Step 2: Convert to fraction form
    103,199.48/142,455.83 = 69,195.57/x
  3. Step 3: Cross multiply
    103,199.48x = 142,455.83 × 69,195.57
  4. Step 4: Simplify right side
    103,199.48x = 9,857,312,356.67
  5. Step 5: Solve for x
    x = 9,857,312,356.67/103,199.48
  6. Step 6: Final answer
    x = 95,517.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.