Home / 68,945.14-103,417.74-19,697.14

Finding the Fourth Proportional to 68,945.14, 103,417.74 and 19,697.14

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Solution

The fourth proportional to 68,945.14, 103,417.74 and 19,697.14 is: 29,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,945.14 : 103,417.74 = 19,697.14 : x
  2. Step 2: Convert to fraction form
    68,945.14/103,417.74 = 19,697.14/x
  3. Step 3: Cross multiply
    68,945.14x = 103,417.74 × 19,697.14
  4. Step 4: Simplify right side
    68,945.14x = 2,037,033,703.26
  5. Step 5: Solve for x
    x = 2,037,033,703.26/68,945.14
  6. Step 6: Final answer
    x = 29,545.72

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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.